CINXE.COM
Silicic acid - Wikipedia
<!doctype html> <html class="client-nojs skin-theme-clientpref-day mf-expand-sections-clientpref-0 mf-font-size-clientpref-small mw-mf-amc-clientpref-0" lang="en" dir="ltr"> <head> <base href="https://en.m.wikipedia.org/wiki/Silicic_acid"> <meta charset="UTF-8"> <title>Silicic acid - Wikipedia</title> <script>(function(){var className="client-js skin-theme-clientpref-day mf-expand-sections-clientpref-0 mf-font-size-clientpref-small mw-mf-amc-clientpref-0";var cookie=document.cookie.match(/(?:^|; )enwikimwclientpreferences=([^;]+)/);if(cookie){cookie[1].split('%2C').forEach(function(pref){className=className.replace(new RegExp('(^| )'+pref.replace(/-clientpref-\w+$|[^\w-]+/g,'')+'-clientpref-\\w+( |$)'),'$1'+pref+'$2');});}document.documentElement.className=className;}());RLCONF={"wgBreakFrames":false,"wgSeparatorTransformTable":["",""],"wgDigitTransformTable":["",""],"wgDefaultDateFormat":"dmy","wgMonthNames":["","January","February","March","April","May","June","July","August","September","October","November","December"],"wgRequestId":"e9ce7446-b6f1-4ca3-93fb-d69c552bbab0","wgCanonicalNamespace":"","wgCanonicalSpecialPageName":false,"wgNamespaceNumber":0,"wgPageName":"Silicic_acid","wgTitle":"Silicic acid","wgCurRevisionId":1234845953,"wgRevisionId":1234845953,"wgArticleId":58036325, "wgIsArticle":true,"wgIsRedirect":false,"wgAction":"view","wgUserName":null,"wgUserGroups":["*"],"wgPageViewLanguage":"en","wgPageContentLanguage":"en","wgPageContentModel":"wikitext","wgRelevantPageName":"Silicic_acid","wgRelevantArticleId":58036325,"wgIsProbablyEditable":true,"wgRelevantPageIsProbablyEditable":true,"wgRestrictionEdit":[],"wgRestrictionMove":[],"wgNoticeProject":"wikipedia","wgCiteReferencePreviewsActive":false,"wgFlaggedRevsParams":{"tags":{"status":{"levels":1}}},"wgMediaViewerOnClick":true,"wgMediaViewerEnabledByDefault":true,"wgPopupsFlags":0,"wgVisualEditor":{"pageLanguageCode":"en","pageLanguageDir":"ltr","pageVariantFallbacks":"en"},"wgMFMode":"stable","wgMFAmc":false,"wgMFAmcOutreachActive":false,"wgMFAmcOutreachUserEligible":false,"wgMFLazyLoadImages":true,"wgMFEditNoticesFeatureConflict":false,"wgMFDisplayWikibaseDescriptions":{"search":true,"watchlist":true,"tagline":false,"nearby":true},"wgMFIsSupportedEditRequest":true,"wgMFScriptPath":"", "wgWMESchemaEditAttemptStepOversample":false,"wgWMEPageLength":9000,"wgEditSubmitButtonLabelPublish":true,"wgSectionTranslationMissingLanguages":[{"lang":"ace","autonym":"Acèh","dir":"ltr"},{"lang":"ady","autonym":"адыгабзэ","dir":"ltr"},{"lang":"alt","autonym":"алтай тил","dir":"ltr"},{"lang":"am","autonym":"አማርኛ","dir":"ltr"},{"lang":"ami","autonym":"Pangcah","dir":"ltr"},{"lang":"an","autonym":"aragonés","dir":"ltr"},{"lang":"ang","autonym":"Ænglisc","dir":"ltr"},{"lang":"ann","autonym":"Obolo","dir":"ltr"},{"lang":"anp","autonym":"अंगिका","dir":"ltr"},{"lang":"ary","autonym":"الدارجة","dir":"rtl"},{"lang":"arz","autonym":"مصرى","dir":"rtl"},{"lang":"as","autonym":"অসমীয়া","dir":"ltr"},{"lang":"ast","autonym":"asturianu","dir":"ltr"},{"lang":"av","autonym":"авар","dir":"ltr"},{"lang":"avk","autonym":"Kotava","dir":"ltr"},{"lang":"awa","autonym":"अवधी","dir":"ltr"},{"lang":"ay","autonym":"Aymar aru","dir": "ltr"},{"lang":"az","autonym":"azərbaycanca","dir":"ltr"},{"lang":"azb","autonym":"تۆرکجه","dir":"rtl"},{"lang":"ba","autonym":"башҡортса","dir":"ltr"},{"lang":"ban","autonym":"Basa Bali","dir":"ltr"},{"lang":"bar","autonym":"Boarisch","dir":"ltr"},{"lang":"bbc","autonym":"Batak Toba","dir":"ltr"},{"lang":"bcl","autonym":"Bikol Central","dir":"ltr"},{"lang":"bdr","autonym":"Bajau Sama","dir":"ltr"},{"lang":"be","autonym":"беларуская","dir":"ltr"},{"lang":"bew","autonym":"Betawi","dir":"ltr"},{"lang":"bg","autonym":"български","dir":"ltr"},{"lang":"bho","autonym":"भोजपुरी","dir":"ltr"},{"lang":"bi","autonym":"Bislama","dir":"ltr"},{"lang":"bjn","autonym":"Banjar","dir":"ltr"},{"lang":"blk","autonym":"ပအိုဝ်ႏဘာႏသာႏ","dir":"ltr"},{"lang":"bm","autonym":"bamanankan","dir":"ltr"},{"lang":"bn","autonym":"বাংলা","dir":"ltr"},{"lang":"bo","autonym":"བོད་ཡིག","dir":"ltr"},{"lang":"bpy","autonym": "বিষ্ণুপ্রিয়া মণিপুরী","dir":"ltr"},{"lang":"br","autonym":"brezhoneg","dir":"ltr"},{"lang":"bs","autonym":"bosanski","dir":"ltr"},{"lang":"btm","autonym":"Batak Mandailing","dir":"ltr"},{"lang":"bug","autonym":"Basa Ugi","dir":"ltr"},{"lang":"cdo","autonym":"閩東語 / Mìng-dĕ̤ng-ngṳ̄","dir":"ltr"},{"lang":"ce","autonym":"нохчийн","dir":"ltr"},{"lang":"ceb","autonym":"Cebuano","dir":"ltr"},{"lang":"ch","autonym":"Chamoru","dir":"ltr"},{"lang":"chr","autonym":"ᏣᎳᎩ","dir":"ltr"},{"lang":"ckb","autonym":"کوردی","dir":"rtl"},{"lang":"co","autonym":"corsu","dir":"ltr"},{"lang":"cr","autonym":"Nēhiyawēwin / ᓀᐦᐃᔭᐍᐏᐣ","dir":"ltr"},{"lang":"crh","autonym":"qırımtatarca","dir":"ltr"},{"lang":"cu","autonym":"словѣньскъ / ⰔⰎⰑⰂⰡⰐⰠⰔⰍⰟ","dir":"ltr"},{"lang":"cy","autonym":"Cymraeg","dir":"ltr"},{"lang":"dag","autonym":"dagbanli","dir":"ltr"},{"lang":"dga","autonym":"Dagaare","dir":"ltr"} ,{"lang":"din","autonym":"Thuɔŋjäŋ","dir":"ltr"},{"lang":"diq","autonym":"Zazaki","dir":"ltr"},{"lang":"dsb","autonym":"dolnoserbski","dir":"ltr"},{"lang":"dtp","autonym":"Kadazandusun","dir":"ltr"},{"lang":"dv","autonym":"ދިވެހިބަސް","dir":"rtl"},{"lang":"dz","autonym":"ཇོང་ཁ","dir":"ltr"},{"lang":"ee","autonym":"eʋegbe","dir":"ltr"},{"lang":"eml","autonym":"emiliàn e rumagnòl","dir":"ltr"},{"lang":"et","autonym":"eesti","dir":"ltr"},{"lang":"eu","autonym":"euskara","dir":"ltr"},{"lang":"fa","autonym":"فارسی","dir":"rtl"},{"lang":"fat","autonym":"mfantse","dir":"ltr"},{"lang":"ff","autonym":"Fulfulde","dir":"ltr"},{"lang":"fj","autonym":"Na Vosa Vakaviti","dir":"ltr"},{"lang":"fo","autonym":"føroyskt","dir":"ltr"},{"lang":"fon","autonym":"fɔ̀ngbè","dir":"ltr"},{"lang":"frp","autonym":"arpetan","dir":"ltr"},{"lang":"fur","autonym":"furlan","dir":"ltr"},{"lang":"fy","autonym":"Frysk","dir":"ltr"},{"lang":"gag","autonym":"Gagauz","dir":"ltr"},{"lang": "gan","autonym":"贛語","dir":"ltr"},{"lang":"gcr","autonym":"kriyòl gwiyannen","dir":"ltr"},{"lang":"gl","autonym":"galego","dir":"ltr"},{"lang":"glk","autonym":"گیلکی","dir":"rtl"},{"lang":"gn","autonym":"Avañe'ẽ","dir":"ltr"},{"lang":"gom","autonym":"गोंयची कोंकणी / Gõychi Konknni","dir":"ltr"},{"lang":"gor","autonym":"Bahasa Hulontalo","dir":"ltr"},{"lang":"gpe","autonym":"Ghanaian Pidgin","dir":"ltr"},{"lang":"gu","autonym":"ગુજરાતી","dir":"ltr"},{"lang":"guc","autonym":"wayuunaiki","dir":"ltr"},{"lang":"gur","autonym":"farefare","dir":"ltr"},{"lang":"guw","autonym":"gungbe","dir":"ltr"},{"lang":"gv","autonym":"Gaelg","dir":"ltr"},{"lang":"ha","autonym":"Hausa","dir":"ltr"},{"lang":"hak","autonym":"客家語 / Hak-kâ-ngî","dir":"ltr"},{"lang":"haw","autonym":"Hawaiʻi","dir":"ltr"},{"lang":"hif","autonym":"Fiji Hindi","dir":"ltr"},{"lang":"hr","autonym":"hrvatski","dir":"ltr"},{"lang":"hsb","autonym":"hornjoserbsce","dir":"ltr"},{ "lang":"ht","autonym":"Kreyòl ayisyen","dir":"ltr"},{"lang":"hyw","autonym":"Արեւմտահայերէն","dir":"ltr"},{"lang":"ia","autonym":"interlingua","dir":"ltr"},{"lang":"iba","autonym":"Jaku Iban","dir":"ltr"},{"lang":"ie","autonym":"Interlingue","dir":"ltr"},{"lang":"ig","autonym":"Igbo","dir":"ltr"},{"lang":"igl","autonym":"Igala","dir":"ltr"},{"lang":"ilo","autonym":"Ilokano","dir":"ltr"},{"lang":"io","autonym":"Ido","dir":"ltr"},{"lang":"is","autonym":"íslenska","dir":"ltr"},{"lang":"iu","autonym":"ᐃᓄᒃᑎᑐᑦ / inuktitut","dir":"ltr"},{"lang":"jam","autonym":"Patois","dir":"ltr"},{"lang":"jv","autonym":"Jawa","dir":"ltr"},{"lang":"kaa","autonym":"Qaraqalpaqsha","dir":"ltr"},{"lang":"kab","autonym":"Taqbaylit","dir":"ltr"},{"lang":"kbd","autonym":"адыгэбзэ","dir":"ltr"},{"lang":"kbp","autonym":"Kabɩyɛ","dir":"ltr"},{"lang":"kcg","autonym":"Tyap","dir":"ltr"},{"lang":"kg","autonym":"Kongo","dir":"ltr"},{"lang":"kge","autonym":"Kumoring","dir":"ltr"},{ "lang":"ki","autonym":"Gĩkũyũ","dir":"ltr"},{"lang":"kk","autonym":"қазақша","dir":"ltr"},{"lang":"kl","autonym":"kalaallisut","dir":"ltr"},{"lang":"km","autonym":"ភាសាខ្មែរ","dir":"ltr"},{"lang":"kn","autonym":"ಕನ್ನಡ","dir":"ltr"},{"lang":"knc","autonym":"Yerwa Kanuri","dir":"ltr"},{"lang":"koi","autonym":"перем коми","dir":"ltr"},{"lang":"krc","autonym":"къарачай-малкъар","dir":"ltr"},{"lang":"ks","autonym":"कॉशुर / کٲشُر","dir":"rtl"},{"lang":"ku","autonym":"kurdî","dir":"ltr"},{"lang":"kus","autonym":"Kʋsaal","dir":"ltr"},{"lang":"kv","autonym":"коми","dir":"ltr"},{"lang":"kw","autonym":"kernowek","dir":"ltr"},{"lang":"ky","autonym":"кыргызча","dir":"ltr"},{"lang":"lad","autonym":"Ladino","dir":"ltr"},{"lang":"lb","autonym":"Lëtzebuergesch","dir":"ltr"},{"lang":"lez","autonym":"лезги","dir":"ltr"},{"lang":"lg","autonym":"Luganda","dir":"ltr"},{"lang":"li","autonym":"Limburgs","dir": "ltr"},{"lang":"lij","autonym":"Ligure","dir":"ltr"},{"lang":"lld","autonym":"Ladin","dir":"ltr"},{"lang":"lmo","autonym":"lombard","dir":"ltr"},{"lang":"ln","autonym":"lingála","dir":"ltr"},{"lang":"lo","autonym":"ລາວ","dir":"ltr"},{"lang":"ltg","autonym":"latgaļu","dir":"ltr"},{"lang":"mad","autonym":"Madhurâ","dir":"ltr"},{"lang":"mai","autonym":"मैथिली","dir":"ltr"},{"lang":"map-bms","autonym":"Basa Banyumasan","dir":"ltr"},{"lang":"mdf","autonym":"мокшень","dir":"ltr"},{"lang":"mg","autonym":"Malagasy","dir":"ltr"},{"lang":"mhr","autonym":"олык марий","dir":"ltr"},{"lang":"mi","autonym":"Māori","dir":"ltr"},{"lang":"min","autonym":"Minangkabau","dir":"ltr"},{"lang":"mk","autonym":"македонски","dir":"ltr"},{"lang":"ml","autonym":"മലയാളം","dir":"ltr"},{"lang":"mn","autonym":"монгол","dir":"ltr"},{"lang":"mni","autonym":"ꯃꯤꯇꯩ ꯂꯣꯟ","dir":"ltr"},{"lang":"mnw","autonym":"ဘာသာမန်","dir":"ltr"},{ "lang":"mos","autonym":"moore","dir":"ltr"},{"lang":"mr","autonym":"मराठी","dir":"ltr"},{"lang":"mrj","autonym":"кырык мары","dir":"ltr"},{"lang":"ms","autonym":"Bahasa Melayu","dir":"ltr"},{"lang":"mt","autonym":"Malti","dir":"ltr"},{"lang":"mwl","autonym":"Mirandés","dir":"ltr"},{"lang":"my","autonym":"မြန်မာဘာသာ","dir":"ltr"},{"lang":"myv","autonym":"эрзянь","dir":"ltr"},{"lang":"mzn","autonym":"مازِرونی","dir":"rtl"},{"lang":"nah","autonym":"Nāhuatl","dir":"ltr"},{"lang":"nan","autonym":"閩南語 / Bân-lâm-gú","dir":"ltr"},{"lang":"nap","autonym":"Napulitano","dir":"ltr"},{"lang":"nb","autonym":"norsk bokmål","dir":"ltr"},{"lang":"nds-nl","autonym":"Nedersaksies","dir":"ltr"},{"lang":"ne","autonym":"नेपाली","dir":"ltr"},{"lang":"new","autonym":"नेपाल भाषा","dir":"ltr"},{"lang":"nia","autonym":"Li Niha","dir":"ltr"},{"lang":"nn","autonym":"norsk nynorsk","dir":"ltr"},{"lang":"nqo","autonym": "ߒߞߏ","dir":"rtl"},{"lang":"nr","autonym":"isiNdebele seSewula","dir":"ltr"},{"lang":"nso","autonym":"Sesotho sa Leboa","dir":"ltr"},{"lang":"ny","autonym":"Chi-Chewa","dir":"ltr"},{"lang":"oc","autonym":"occitan","dir":"ltr"},{"lang":"om","autonym":"Oromoo","dir":"ltr"},{"lang":"or","autonym":"ଓଡ଼ିଆ","dir":"ltr"},{"lang":"os","autonym":"ирон","dir":"ltr"},{"lang":"pa","autonym":"ਪੰਜਾਬੀ","dir":"ltr"},{"lang":"pag","autonym":"Pangasinan","dir":"ltr"},{"lang":"pam","autonym":"Kapampangan","dir":"ltr"},{"lang":"pap","autonym":"Papiamentu","dir":"ltr"},{"lang":"pcd","autonym":"Picard","dir":"ltr"},{"lang":"pcm","autonym":"Naijá","dir":"ltr"},{"lang":"pdc","autonym":"Deitsch","dir":"ltr"},{"lang":"pms","autonym":"Piemontèis","dir":"ltr"},{"lang":"pnb","autonym":"پنجابی","dir":"rtl"},{"lang":"ps","autonym":"پښتو","dir":"rtl"},{"lang":"pt","autonym":"português","dir":"ltr"},{"lang":"pwn","autonym":"pinayuanan","dir":"ltr"},{"lang":"qu","autonym": "Runa Simi","dir":"ltr"},{"lang":"rm","autonym":"rumantsch","dir":"ltr"},{"lang":"rn","autonym":"ikirundi","dir":"ltr"},{"lang":"rsk","autonym":"руски","dir":"ltr"},{"lang":"rue","autonym":"русиньскый","dir":"ltr"},{"lang":"rup","autonym":"armãneashti","dir":"ltr"},{"lang":"rw","autonym":"Ikinyarwanda","dir":"ltr"},{"lang":"sa","autonym":"संस्कृतम्","dir":"ltr"},{"lang":"sah","autonym":"саха тыла","dir":"ltr"},{"lang":"sat","autonym":"ᱥᱟᱱᱛᱟᱲᱤ","dir":"ltr"},{"lang":"sc","autonym":"sardu","dir":"ltr"},{"lang":"scn","autonym":"sicilianu","dir":"ltr"},{"lang":"sco","autonym":"Scots","dir":"ltr"},{"lang":"sd","autonym":"سنڌي","dir":"rtl"},{"lang":"se","autonym":"davvisámegiella","dir":"ltr"},{"lang":"sg","autonym":"Sängö","dir":"ltr"},{"lang":"sgs","autonym":"žemaitėška","dir":"ltr"},{"lang":"shi","autonym":"Taclḥit","dir":"ltr"},{"lang":"shn","autonym":"တႆး","dir":"ltr"},{"lang":"si","autonym":"සිංහල","dir" :"ltr"},{"lang":"sk","autonym":"slovenčina","dir":"ltr"},{"lang":"skr","autonym":"سرائیکی","dir":"rtl"},{"lang":"sl","autonym":"slovenščina","dir":"ltr"},{"lang":"sm","autonym":"Gagana Samoa","dir":"ltr"},{"lang":"smn","autonym":"anarâškielâ","dir":"ltr"},{"lang":"sn","autonym":"chiShona","dir":"ltr"},{"lang":"so","autonym":"Soomaaliga","dir":"ltr"},{"lang":"sq","autonym":"shqip","dir":"ltr"},{"lang":"srn","autonym":"Sranantongo","dir":"ltr"},{"lang":"ss","autonym":"SiSwati","dir":"ltr"},{"lang":"st","autonym":"Sesotho","dir":"ltr"},{"lang":"stq","autonym":"Seeltersk","dir":"ltr"},{"lang":"su","autonym":"Sunda","dir":"ltr"},{"lang":"sv","autonym":"svenska","dir":"ltr"},{"lang":"sw","autonym":"Kiswahili","dir":"ltr"},{"lang":"syl","autonym":"ꠍꠤꠟꠐꠤ","dir":"ltr"},{"lang":"szl","autonym":"ślůnski","dir":"ltr"},{"lang":"ta","autonym":"தமிழ்","dir":"ltr"},{"lang":"tay","autonym":"Tayal","dir":"ltr"},{"lang":"tcy","autonym":"ತುಳು","dir":"ltr"},{ "lang":"tdd","autonym":"ᥖᥭᥰ ᥖᥬᥲ ᥑᥨᥒᥰ","dir":"ltr"},{"lang":"te","autonym":"తెలుగు","dir":"ltr"},{"lang":"tet","autonym":"tetun","dir":"ltr"},{"lang":"tg","autonym":"тоҷикӣ","dir":"ltr"},{"lang":"th","autonym":"ไทย","dir":"ltr"},{"lang":"ti","autonym":"ትግርኛ","dir":"ltr"},{"lang":"tig","autonym":"ትግሬ","dir":"ltr"},{"lang":"tk","autonym":"Türkmençe","dir":"ltr"},{"lang":"tl","autonym":"Tagalog","dir":"ltr"},{"lang":"tly","autonym":"tolışi","dir":"ltr"},{"lang":"tn","autonym":"Setswana","dir":"ltr"},{"lang":"to","autonym":"lea faka-Tonga","dir":"ltr"},{"lang":"tpi","autonym":"Tok Pisin","dir":"ltr"},{"lang":"tr","autonym":"Türkçe","dir":"ltr"},{"lang":"trv","autonym":"Seediq","dir":"ltr"},{"lang":"ts","autonym":"Xitsonga","dir":"ltr"},{"lang":"tt","autonym":"татарча / tatarça","dir":"ltr"},{"lang":"tum","autonym":"chiTumbuka","dir":"ltr"},{"lang":"tw","autonym":"Twi","dir":"ltr"},{"lang":"ty","autonym":"reo tahiti", "dir":"ltr"},{"lang":"tyv","autonym":"тыва дыл","dir":"ltr"},{"lang":"udm","autonym":"удмурт","dir":"ltr"},{"lang":"ur","autonym":"اردو","dir":"rtl"},{"lang":"ve","autonym":"Tshivenda","dir":"ltr"},{"lang":"vec","autonym":"vèneto","dir":"ltr"},{"lang":"vep","autonym":"vepsän kel’","dir":"ltr"},{"lang":"vls","autonym":"West-Vlams","dir":"ltr"},{"lang":"vo","autonym":"Volapük","dir":"ltr"},{"lang":"vro","autonym":"võro","dir":"ltr"},{"lang":"wa","autonym":"walon","dir":"ltr"},{"lang":"war","autonym":"Winaray","dir":"ltr"},{"lang":"wo","autonym":"Wolof","dir":"ltr"},{"lang":"xal","autonym":"хальмг","dir":"ltr"},{"lang":"xh","autonym":"isiXhosa","dir":"ltr"},{"lang":"xmf","autonym":"მარგალური","dir":"ltr"},{"lang":"yi","autonym":"ייִדיש","dir":"rtl"},{"lang":"yo","autonym":"Yorùbá","dir":"ltr"},{"lang":"yue","autonym":"粵語","dir":"ltr"},{"lang":"za","autonym":"Vahcuengh","dir":"ltr"},{"lang":"zgh","autonym": "ⵜⴰⵎⴰⵣⵉⵖⵜ ⵜⴰⵏⴰⵡⴰⵢⵜ","dir":"ltr"},{"lang":"zu","autonym":"isiZulu","dir":"ltr"}],"wgSectionTranslationTargetLanguages":["ace","ady","alt","am","ami","an","ang","ann","anp","ar","ary","arz","as","ast","av","avk","awa","ay","az","azb","ba","ban","bar","bbc","bcl","bdr","be","bew","bg","bho","bi","bjn","blk","bm","bn","bo","bpy","br","bs","btm","bug","ca","cdo","ce","ceb","ch","chr","ckb","co","cr","crh","cs","cu","cy","da","dag","de","dga","din","diq","dsb","dtp","dv","dz","ee","el","eml","eo","es","et","eu","fa","fat","ff","fi","fj","fo","fon","fr","frp","frr","fur","fy","gag","gan","gcr","gl","glk","gn","gom","gor","gpe","gu","guc","gur","guw","gv","ha","hak","haw","he","hi","hif","hr","hsb","ht","hu","hy","hyw","ia","iba","ie","ig","igl","ilo","io","is","it","iu","ja","jam","jv","ka","kaa","kab","kbd","kbp","kcg","kg","kge","ki","kk","kl","km","kn","knc","ko","koi","krc","ks","ku","kus","kv","kw","ky","lad","lb","lez","lg","li","lij","lld","lmo","ln", "lo","lt","ltg","lv","mad","mai","map-bms","mdf","mg","mhr","mi","min","mk","ml","mn","mni","mnw","mos","mr","mrj","ms","mt","mwl","my","myv","mzn","nah","nan","nap","nb","nds","nds-nl","ne","new","nia","nl","nn","nqo","nr","nso","ny","oc","om","or","os","pa","pag","pam","pap","pcd","pcm","pdc","pl","pms","pnb","ps","pt","pwn","qu","rm","rn","ro","rsk","rue","rup","rw","sa","sah","sat","sc","scn","sco","sd","se","sg","sgs","sh","shi","shn","si","sk","skr","sl","sm","smn","sn","so","sq","sr","srn","ss","st","stq","su","sv","sw","syl","szl","ta","tay","tcy","tdd","te","tet","tg","th","ti","tig","tk","tl","tly","tn","to","tpi","tr","trv","ts","tt","tum","tw","ty","tyv","udm","ur","uz","ve","vec","vep","vi","vls","vo","vro","wa","war","wo","wuu","xal","xh","xmf","yi","yo","yue","za","zgh","zh","zu"],"isLanguageSearcherCXEntrypointEnabled":true,"mintEntrypointLanguages":["ace","ast","azb","bcl","bjn","bh","crh","ff","fon","ig","is","ki","ks","lmo","min","sat","ss","tn","vec"], "wgWikibaseItemId":"Q12457481","wgCheckUserClientHintsHeadersJsApi":["brands","architecture","bitness","fullVersionList","mobile","model","platform","platformVersion"],"GEHomepageSuggestedEditsEnableTopics":true,"wgGETopicsMatchModeEnabled":false,"wgGEStructuredTaskRejectionReasonTextInputEnabled":false,"wgGELevelingUpEnabledForUser":false,"wgMinervaPermissions":{"watchable":true,"watch":false},"wgMinervaFeatures":{"beta":false,"donate":true,"mobileOptionsLink":true,"categories":false,"pageIssues":true,"talkAtTop":true,"historyInPageActions":false,"overflowSubmenu":false,"tabsOnSpecials":true,"personalMenu":false,"mainMenuExpanded":false,"echo":true,"nightMode":true},"wgMinervaDownloadNamespaces":[0]};RLSTATE={"ext.globalCssJs.user.styles":"ready","site.styles":"ready","user.styles":"ready","ext.globalCssJs.user":"ready","user":"ready","user.options":"loading","ext.cite.styles":"ready","ext.math.styles":"ready","skins.minerva.styles":"ready","skins.minerva.content.styles.images": "ready","mediawiki.hlist":"ready","skins.minerva.codex.styles":"ready","skins.minerva.icons":"ready","skins.minerva.amc.styles":"ready","ext.wikimediamessages.styles":"ready","mobile.init.styles":"ready","ext.relatedArticles.styles":"ready","wikibase.client.init":"ready","ext.wikimediaBadges":"ready"};RLPAGEMODULES=["ext.cite.ux-enhancements","site","mediawiki.page.ready","skins.minerva.scripts","ext.centralNotice.geoIP","ext.centralNotice.startUp","ext.gadget.switcher","ext.urlShortener.toolbar","ext.centralauth.centralautologin","ext.popups","mobile.init","ext.echo.centralauth","ext.relatedArticles.readMore.bootstrap","ext.eventLogging","ext.wikimediaEvents","ext.navigationTiming","ext.cx.eventlogging.campaigns","ext.cx.entrypoints.mffrequentlanguages","ext.cx.entrypoints.languagesearcher.init","mw.externalguidance.init","ext.checkUser.clientHints","ext.growthExperiments.SuggestedEditSession"];</script> <script>(RLQ=window.RLQ||[]).push(function(){mw.loader.impl(function(){return["user.options@12s5i",function($,jQuery,require,module){mw.user.tokens.set({"patrolToken":"+\\","watchToken":"+\\","csrfToken":"+\\"}); }];});});</script> <link rel="stylesheet" href="/w/load.php?lang=en&modules=ext.cite.styles%7Cext.math.styles%7Cext.relatedArticles.styles%7Cext.wikimediaBadges%7Cext.wikimediamessages.styles%7Cmediawiki.hlist%7Cmobile.init.styles%7Cskins.minerva.amc.styles%7Cskins.minerva.codex.styles%7Cskins.minerva.content.styles.images%7Cskins.minerva.icons%2Cstyles%7Cwikibase.client.init&only=styles&skin=minerva"> <script async src="/w/load.php?lang=en&modules=startup&only=scripts&raw=1&skin=minerva"></script> <meta name="ResourceLoaderDynamicStyles" content=""> <link rel="stylesheet" href="/w/load.php?lang=en&modules=site.styles&only=styles&skin=minerva"> <meta name="generator" content="MediaWiki 1.44.0-wmf.17"> <meta name="referrer" content="origin"> <meta name="referrer" content="origin-when-cross-origin"> <meta name="robots" content="max-image-preview:standard"> <meta name="format-detection" content="telephone=no"> <meta name="theme-color" content="#eaecf0"> <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes, minimum-scale=0.25, maximum-scale=5.0"> <meta property="og:title" content="Silicic acid - Wikipedia"> <meta property="og:type" content="website"> <link rel="preconnect" href="//upload.wikimedia.org"> <link rel="manifest" href="/w/api.php?action=webapp-manifest"> <link rel="alternate" type="application/x-wiki" title="Edit this page" href="/w/index.php?title=Silicic_acid&action=edit"> <link rel="apple-touch-icon" href="/static/apple-touch/wikipedia.png"> <link rel="icon" href="/static/favicon/wikipedia.ico"> <link rel="search" type="application/opensearchdescription+xml" href="/w/rest.php/v1/search" title="Wikipedia (en)"> <link rel="EditURI" type="application/rsd+xml" href="//en.wikipedia.org/w/api.php?action=rsd"> <link rel="canonical" href="https://en.wikipedia.org/wiki/Silicic_acid"> <link rel="license" href="https://creativecommons.org/licenses/by-sa/4.0/deed.en"> <link rel="dns-prefetch" href="//meta.wikimedia.org"> <link rel="dns-prefetch" href="login.wikimedia.org"> <meta http-equiv="X-Translated-By" content="Google"> <meta http-equiv="X-Translated-To" content="en"> <script type="text/javascript" src="https://www.gstatic.com/_/translate_http/_/js/k=translate_http.tr.en_GB.SlmlLUpNCG8.O/am=gAE/d=1/rs=AN8SPfrVDwgQMj0EYXdUQwFqbkL3aXptKg/m=corsproxy" data-sourceurl="https://en.m.wikipedia.org/wiki/Silicic_acid"></script> <link href="https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:opsz,wght,FILL,GRAD@20..48,100..700,0..1,-50..200" rel="stylesheet"> <script type="text/javascript" src="https://www.gstatic.com/_/translate_http/_/js/k=translate_http.tr.en_GB.SlmlLUpNCG8.O/am=gAE/d=1/exm=corsproxy/ed=1/rs=AN8SPfrVDwgQMj0EYXdUQwFqbkL3aXptKg/m=phishing_protection" data-phishing-protection-enabled="false" data-forms-warning-enabled="true" data-source-url="https://en.m.wikipedia.org/wiki/Silicic_acid"></script> <meta name="robots" content="none"> </head> <body class="mediawiki ltr sitedir-ltr mw-hide-empty-elt ns-0 ns-subject mw-editable page-Silicic_acid rootpage-Silicic_acid stable issues-group-B skin-minerva action-view skin--responsive mw-mf-amc-disabled mw-mf"> <script type="text/javascript" src="https://www.gstatic.com/_/translate_http/_/js/k=translate_http.tr.en_GB.SlmlLUpNCG8.O/am=gAE/d=1/exm=corsproxy,phishing_protection/ed=1/rs=AN8SPfrVDwgQMj0EYXdUQwFqbkL3aXptKg/m=navigationui" data-environment="prod" data-proxy-url="https://en-m-wikipedia-org.translate.goog" data-proxy-full-url="https://en-m-wikipedia-org.translate.goog/wiki/Silicic_acid?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" data-source-url="https://en.m.wikipedia.org/wiki/Silicic_acid" data-source-language="auto" data-target-language="en" data-display-language="en-GB" data-detected-source-language="en" data-is-source-untranslated="false" data-source-untranslated-url="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://en.m.wikipedia.org/wiki/Silicic_acid&anno=2" data-client="tr"></script> <div id="mw-mf-viewport"> <div id="mw-mf-page-center"><a class="mw-mf-page-center__mask" href="https://en-m-wikipedia-org.translate.goog/wiki/Silicic_acid?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB#"></a> <header class="header-container header-chrome"> <div class="minerva-header"> <nav class="navigation-drawer toggle-list view-border-box"><input type="checkbox" id="main-menu-input" class="toggle-list__checkbox" role="button" aria-haspopup="true" aria-expanded="false" aria-labelledby="mw-mf-main-menu-button"> <label role="button" for="main-menu-input" id="mw-mf-main-menu-button" aria-hidden="true" data-event-name="ui.mainmenu" class="cdx-button cdx-button--size-large cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--icon-only cdx-button--weight-quiet toggle-list__toggle"> <span class="minerva-icon minerva-icon--menu"></span> <span></span> </label> <div id="mw-mf-page-left" class="menu view-border-box"> <ul id="p-navigation" class="toggle-list__list"> <li class="toggle-list-item "><a class="toggle-list-item__anchor menu__item--home" href="https://en-m-wikipedia-org.translate.goog/wiki/Main_Page?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" data-mw="interface"> <span class="minerva-icon minerva-icon--home"></span> <span class="toggle-list-item__label">Home</span> </a></li> <li class="toggle-list-item "><a class="toggle-list-item__anchor menu__item--random" href="https://en-m-wikipedia-org.translate.goog/wiki/Special:Random?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" data-mw="interface"> <span class="minerva-icon minerva-icon--die"></span> <span class="toggle-list-item__label">Random</span> </a></li> <li class="toggle-list-item skin-minerva-list-item-jsonly"><a class="toggle-list-item__anchor menu__item--nearby" href="https://en-m-wikipedia-org.translate.goog/wiki/Special:Nearby?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" data-event-name="menu.nearby" data-mw="interface"> <span class="minerva-icon minerva-icon--mapPin"></span> <span class="toggle-list-item__label">Nearby</span> </a></li> </ul> <ul id="p-personal" class="toggle-list__list"> <li class="toggle-list-item "><a class="toggle-list-item__anchor mw-list-item menu__item--login" href="https://en-m-wikipedia-org.translate.goog/w/index.php?title=Special:UserLogin&returnto=Silicic+acid&_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" data-event-name="menu.login" data-mw="interface"> <span class="minerva-icon minerva-icon--logIn"></span> <span class="toggle-list-item__label">Log in</span> </a></li> </ul> <ul id="pt-preferences" class="toggle-list__list"> <li class="toggle-list-item skin-minerva-list-item-jsonly"><a class="toggle-list-item__anchor menu__item--settings" href="https://en-m-wikipedia-org.translate.goog/w/index.php?title=Special:MobileOptions&returnto=Silicic+acid&_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" data-event-name="menu.settings" data-mw="interface"> <span class="minerva-icon minerva-icon--settings"></span> <span class="toggle-list-item__label">Settings</span> </a></li> </ul> <ul id="p-donation" class="toggle-list__list"> <li class="toggle-list-item "><a class="toggle-list-item__anchor menu__item--donate" href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://donate.wikimedia.org/?wmf_source%3Ddonate%26wmf_medium%3Dsidebar%26wmf_campaign%3Den.wikipedia.org%26uselang%3Den%26wmf_key%3Dminerva" data-event-name="menu.donate" data-mw="interface"> <span class="minerva-icon minerva-icon--heart"></span> <span class="toggle-list-item__label">Donate</span> </a></li> </ul> <ul class="hlist"> <li class="toggle-list-item "><a class="toggle-list-item__anchor menu__item--about" href="https://en-m-wikipedia-org.translate.goog/wiki/Wikipedia:About?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" data-mw="interface"> <span class="toggle-list-item__label">About Wikipedia</span> </a></li> <li class="toggle-list-item "><a class="toggle-list-item__anchor menu__item--disclaimers" href="https://en-m-wikipedia-org.translate.goog/wiki/Wikipedia:General_disclaimer?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" data-mw="interface"> <span class="toggle-list-item__label">Disclaimers</span> </a></li> </ul> </div><label class="main-menu-mask" for="main-menu-input"></label> </nav> <div class="branding-box"><a href="https://en-m-wikipedia-org.translate.goog/wiki/Main_Page?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB"> <span><img src="/static/images/mobile/copyright/wikipedia-wordmark-en.svg" alt="Wikipedia" width="120" height="18" style="width: 7.5em; height: 1.125em;"> </span> </a> </div> <form action="/w/index.php" method="get" class="minerva-search-form"> <div class="search-box"><input type="hidden" name="title" value="Special:Search"> <input class="search skin-minerva-search-trigger" id="searchInput" type="search" name="search" placeholder="Search Wikipedia" aria-label="Search Wikipedia" autocapitalize="sentences" title="Search Wikipedia [f]" accesskey="f"> <span class="search-box-icon-overlay"><span class="minerva-icon minerva-icon--search"></span> </span> </div><button id="searchIcon" class="cdx-button cdx-button--size-large cdx-button--icon-only cdx-button--weight-quiet skin-minerva-search-trigger"> <span class="minerva-icon minerva-icon--search"></span> <span>Search</span> </button> </form> <nav class="minerva-user-navigation" aria-label="User navigation"> </nav> </div> </header> <main id="content" class="mw-body"> <div class="banner-container"> <div id="siteNotice"></div> </div> <div class="pre-content heading-holder"> <div class="page-heading"> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Silicic acid</span></h1> <div class="tagline"></div> </div> <ul id="p-associated-pages" class="minerva__tab-container"> <li class="minerva__tab selected mw-list-item"><a class="minerva__tab-text" href="https://en-m-wikipedia-org.translate.goog/wiki/Silicic_acid?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" rel="" data-event-name="tabs.main">Article</a></li> <li class="minerva__tab mw-list-item"><a class="minerva__tab-text" href="https://en-m-wikipedia-org.translate.goog/wiki/Talk:Silicic_acid?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" rel="discussion" data-event-name="tabs.talk">Talk</a></li> </ul> <nav class="page-actions-menu"> <ul id="p-views" class="page-actions-menu__list"> <li id="language-selector" class="page-actions-menu__list-item"><a role="button" href="https://en-m-wikipedia-org.translate.goog/wiki/Silicic_acid?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB#p-lang" data-mw="interface" data-event-name="menu.languages" title="Language" class="cdx-button cdx-button--size-large cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--icon-only cdx-button--weight-quiet language-selector"> <span class="minerva-icon minerva-icon--language"></span> <span>Language</span> </a></li> <li id="page-actions-watch" class="page-actions-menu__list-item"><a role="button" id="ca-watch" href="https://en-m-wikipedia-org.translate.goog/w/index.php?title=Special:UserLogin&returnto=Silicic+acid&_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" data-event-name="menu.watch" class="cdx-button cdx-button--size-large cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--icon-only cdx-button--weight-quiet menu__item--page-actions-watch"> <span class="minerva-icon minerva-icon--star"></span> <span>Watch</span> </a></li> <li id="page-actions-edit" class="page-actions-menu__list-item"><a role="button" id="ca-edit" href="https://en-m-wikipedia-org.translate.goog/w/index.php?title=Silicic_acid&action=edit&_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" data-event-name="menu.edit" data-mw="interface" class="cdx-button cdx-button--size-large cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--icon-only cdx-button--weight-quiet edit-page menu__item--page-actions-edit"> <span class="minerva-icon minerva-icon--edit"></span> <span>Edit</span> </a></li> </ul> </nav><!-- version 1.0.2 (change every time you update a partial) --> <div id="mw-content-subtitle"></div> </div> <div id="bodyContent" class="content"> <div id="mw-content-text" class="mw-body-content"> <script>function mfTempOpenSection(id){var block=document.getElementById("mf-section-"+id);block.className+=" open-block";block.previousSibling.className+=" open-block";}</script> <div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"> <section class="mf-section-0" id="mf-section-0"> <style data-mw-deduplicate="TemplateStyles:r1251242444">.mw-parser-output .ambox{border:1px solid #a2a9b1;border-left:10px solid #36c;background-color:#fbfbfb;box-sizing:border-box}.mw-parser-output .ambox+link+.ambox,.mw-parser-output .ambox+link+style+.ambox,.mw-parser-output .ambox+link+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+style+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+link+.ambox{margin-top:-1px}html body.mediawiki .mw-parser-output .ambox.mbox-small-left{margin:4px 1em 4px 0;overflow:hidden;width:238px;border-collapse:collapse;font-size:88%;line-height:1.25em}.mw-parser-output .ambox-speedy{border-left:10px solid #b32424;background-color:#fee7e6}.mw-parser-output .ambox-delete{border-left:10px solid #b32424}.mw-parser-output .ambox-content{border-left:10px solid #f28500}.mw-parser-output .ambox-style{border-left:10px solid #fc3}.mw-parser-output .ambox-move{border-left:10px solid #9932cc}.mw-parser-output .ambox-protection{border-left:10px solid #a2a9b1}.mw-parser-output .ambox .mbox-text{border:none;padding:0.25em 0.5em;width:100%}.mw-parser-output .ambox .mbox-image{border:none;padding:2px 0 2px 0.5em;text-align:center}.mw-parser-output .ambox .mbox-imageright{border:none;padding:2px 0.5em 2px 0;text-align:center}.mw-parser-output .ambox .mbox-empty-cell{border:none;padding:0;width:1px}.mw-parser-output .ambox .mbox-image-div{width:52px}@media(min-width:720px){.mw-parser-output .ambox{margin:0 10%}}@media print{body.ns-0 .mw-parser-output .ambox{display:none!important}}</style> <table class="box-More_citations_needed plainlinks metadata ambox ambox-content ambox-Refimprove" role="presentation"> <tbody> <tr> <td class="mbox-text"> <div class="mbox-text-span"> This article <b>needs additional citations for <a href="https://en-m-wikipedia-org.translate.goog/wiki/Wikipedia:Verifiability?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Wikipedia:Verifiability">verification</a></b>.<span class="hide-when-compact"> Please help <a href="https://en-m-wikipedia-org.translate.goog/wiki/Special:EditPage/Silicic_acid?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Special:EditPage/Silicic acid">improve this article</a> by <a href="https://en-m-wikipedia-org.translate.goog/wiki/Help:Referencing_for_beginners?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Help:Referencing for beginners">adding citations to reliable sources</a>. Unsourced material may be challenged and removed.<br><small><span class="plainlinks"><i>Find sources:</i> <a rel="nofollow" class="external text" href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://www.google.com/search?as_eq%3Dwikipedia%26q%3D%2522Silicic%2Bacid%2522">"Silicic acid"</a> – <a rel="nofollow" class="external text" href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://www.google.com/search?tbm%3Dnws%26q%3D%2522Silicic%2Bacid%2522%2B-wikipedia%26tbs%3Dar:1">news</a> <b>·</b> <a rel="nofollow" class="external text" href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://www.google.com/search?%26q%3D%2522Silicic%2Bacid%2522%26tbs%3Dbkt:s%26tbm%3Dbks">newspapers</a> <b>·</b> <a rel="nofollow" class="external text" href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://www.google.com/search?tbs%3Dbks:1%26q%3D%2522Silicic%2Bacid%2522%2B-wikipedia">books</a> <b>·</b> <a rel="nofollow" class="external text" href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://scholar.google.com/scholar?q%3D%2522Silicic%2Bacid%2522">scholar</a> <b>·</b> <a rel="nofollow" class="external text" href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://www.jstor.org/action/doBasicSearch?Query%3D%2522Silicic%2Bacid%2522%26acc%3Don%26wc%3Don">JSTOR</a></span></small></span> <span class="date-container"><i>(<span class="date">July 2022</span>)</i></span><span class="hide-when-compact"><i> (<small><a href="https://en-m-wikipedia-org.translate.goog/wiki/Help:Maintenance_template_removal?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Help:Maintenance template removal">Learn how and when to remove this message</a></small>)</i></span> </div></td> </tr> </tbody> </table> <p>In <a href="https://en-m-wikipedia-org.translate.goog/wiki/Chemistry?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Chemistry">chemistry</a>, a <b>silicic acid</b> (<span class="rt-commentedText nowrap"><span class="IPA nopopups noexcerpt" lang="en-fonipa"><a href="https://en-m-wikipedia-org.translate.goog/wiki/Help:IPA/English?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Help:IPA/English">/<span style="border-bottom:1px dotted"><span title="'s' in 'sigh'">s</span><span title="/ɪ/: 'i' in 'kit'">ɪ</span><span title="/ˈ/: primary stress follows">ˈ</span><span title="'l' in 'lie'">l</span><span title="/ɪ/: 'i' in 'kit'">ɪ</span><span title="'s' in 'sigh'">s</span><span title="/ɪ/: 'i' in 'kit'">ɪ</span><span title="'k' in 'kind'">k</span></span>/</a></span></span>) is any <a href="https://en-m-wikipedia-org.translate.goog/wiki/Chemical_compound?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Chemical compound">chemical compound</a> containing the element <a href="https://en-m-wikipedia-org.translate.goog/wiki/Silicon?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Silicon">silicon</a> attached to <a href="https://en-m-wikipedia-org.translate.goog/wiki/Oxide?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Oxide">oxide</a> (<style data-mw-deduplicate="TemplateStyles:r1123817410">.mw-parser-output .template-chem2-su{display:inline-block;font-size:80%;line-height:1;vertical-align:-0.35em}.mw-parser-output .template-chem2-su>span{display:block;text-align:left}.mw-parser-output sub.template-chem2-sub{font-size:80%;vertical-align:-0.35em}.mw-parser-output sup.template-chem2-sup{font-size:80%;vertical-align:0.65em}</style><span class="chemf nowrap">=O</span>) and <a href="https://en-m-wikipedia-org.translate.goog/wiki/Hydroxyl?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" class="mw-redirect" title="Hydroxyl">hydroxyl</a> ( <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">−OH</span>) groups, with the general formula <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">[H<sub class="template-chem2-sub">2<i>x</i></sub>SiO<sub class="template-chem2-sub"><i>x</i>+2</sub>]<sub class="template-chem2-sub"><i>n</i></sub></span> or, equivalently, <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">[SiO<sub class="template-chem2-sub"><i>x</i></sub>(OH)<sub class="template-chem2-sub">4−2<i>x</i></sub>]<sub class="template-chem2-sub"><i>n</i></sub></span>.<sup id="cite_ref-Greenwood_1-0" class="reference"><a href="https://en-m-wikipedia-org.translate.goog/wiki/Silicic_acid?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB#cite_note-Greenwood-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-2" class="reference"><a href="https://en-m-wikipedia-org.translate.goog/wiki/Silicic_acid?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> <a href="https://en-m-wikipedia-org.translate.goog/wiki/Orthosilicic_acid?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Orthosilicic acid">Orthosilicic acid</a> is a representative example. Silicic acids are rarely observed in isolation, but are thought to exist in <a href="https://en-m-wikipedia-org.translate.goog/wiki/Aqueous_solutions?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" class="mw-redirect" title="Aqueous solutions">aqueous solutions</a>, including <a href="https://en-m-wikipedia-org.translate.goog/wiki/Seawater?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Seawater">seawater</a>, and play a role in <a href="https://en-m-wikipedia-org.translate.goog/wiki/Biomineralization?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Biomineralization">biomineralization</a>.<sup id="cite_ref-3" class="reference"><a href="https://en-m-wikipedia-org.translate.goog/wiki/Silicic_acid?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> They are typically colorless weak acids that are sparingly soluble in water. Like the <a href="https://en-m-wikipedia-org.translate.goog/wiki/Silicate?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Silicate">silicate</a> anions, which are their better known <a href="https://en-m-wikipedia-org.translate.goog/wiki/Conjugate_base?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" class="mw-redirect" title="Conjugate base">conjugate bases</a>, silicic acids are proposed to be <a href="https://en-m-wikipedia-org.translate.goog/wiki/Oligomer?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Oligomer">oligomeric</a> or <a href="https://en-m-wikipedia-org.translate.goog/wiki/Polymer?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Polymer">polymeric</a>. No <a href="https://en-m-wikipedia-org.translate.goog/wiki/Monomer?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Monomer">simple</a> silicic acid has ever been identified, since these species are primarily of theoretical interest.</p> <p>Depending on the number of silicon atoms present, there are mono- and polysilicic (di-, tri-, tetrasilicic, etc.) acids. Well defined silicic acids have not been obtained in a form that has been characterized by <a href="https://en-m-wikipedia-org.translate.goog/wiki/X-ray_crystallography?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="X-ray crystallography">X-ray crystallography</a>.</p> <div id="toc" class="toc" role="navigation" aria-labelledby="mw-toc-heading"> <input type="checkbox" role="button" id="toctogglecheckbox" class="toctogglecheckbox" style="display:none"> <div class="toctitle" lang="en" dir="ltr"> <h2 id="mw-toc-heading">Contents</h2><span class="toctogglespan"><label class="toctogglelabel" for="toctogglecheckbox"></label></span> </div> <ul> <li class="toclevel-1 tocsection-1"><a href="https://en-m-wikipedia-org.translate.goog/wiki/Silicic_acid?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB#Examples"><span class="tocnumber">1</span> <span class="toctext">Examples</span></a></li> <li class="toclevel-1 tocsection-2"><a href="https://en-m-wikipedia-org.translate.goog/wiki/Silicic_acid?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB#Reactions"><span class="tocnumber">2</span> <span class="toctext">Reactions</span></a></li> <li class="toclevel-1 tocsection-3"><a href="https://en-m-wikipedia-org.translate.goog/wiki/Silicic_acid?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB#History"><span class="tocnumber">3</span> <span class="toctext">History</span></a></li> <li class="toclevel-1 tocsection-4"><a href="https://en-m-wikipedia-org.translate.goog/wiki/Silicic_acid?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB#Preparation"><span class="tocnumber">4</span> <span class="toctext">Preparation</span></a></li> <li class="toclevel-1 tocsection-5"><a href="https://en-m-wikipedia-org.translate.goog/wiki/Silicic_acid?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB#See_also"><span class="tocnumber">5</span> <span class="toctext">See also</span></a></li> <li class="toclevel-1 tocsection-6"><a href="https://en-m-wikipedia-org.translate.goog/wiki/Silicic_acid?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB#References"><span class="tocnumber">6</span> <span class="toctext">References</span></a></li> </ul> </div> </section> <div class="mw-heading mw-heading2 section-heading" onclick="mfTempOpenSection(1)"> <span class="indicator mf-icon mf-icon-expand mf-icon--small"></span> <h2 id="Examples">Examples</h2><span class="mw-editsection"> <a role="button" href="https://en-m-wikipedia-org.translate.goog/w/index.php?title=Silicic_acid&action=edit&section=1&_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Edit section: Examples" class="cdx-button cdx-button--size-large cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--icon-only cdx-button--weight-quiet "> <span class="minerva-icon minerva-icon--edit"></span> <span>edit</span> </a> </span> </div> <section class="mf-section-1 collapsible-block" id="mf-section-1"> <table class="wikitable"> <tbody> <tr> <th>Formula</th> <th>Name</th> <th>Computed Structure</th> </tr> <tr> <td><span class="chemf nowrap">H<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">4</sub></span></span>SiO<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">4</sub></span></span></span> or <span class="chemf nowrap">Si(OH)<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">4</sub></span></span></span></td> <td><a href="https://en-m-wikipedia-org.translate.goog/wiki/Orthosilicic_acid?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Orthosilicic acid">orthosilicic acid</a></td> <td><span typeof="mw:File"><a href="https://en-m-wikipedia-org.translate.goog/wiki/File:Orthosilicic-acid-3D-balls.png?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" class="mw-file-description"> <noscript> <img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/23/Orthosilicic-acid-3D-balls.png/64px-Orthosilicic-acid-3D-balls.png" decoding="async" width="64" height="59" class="mw-file-element" data-file-width="2000" data-file-height="1830"> </noscript><span class="lazy-image-placeholder" style="width: 64px;height: 59px;" data-mw-src="//upload.wikimedia.org/wikipedia/commons/thumb/2/23/Orthosilicic-acid-3D-balls.png/64px-Orthosilicic-acid-3D-balls.png" data-width="64" data-height="59" data-mw-srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/23/Orthosilicic-acid-3D-balls.png/96px-Orthosilicic-acid-3D-balls.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/23/Orthosilicic-acid-3D-balls.png/128px-Orthosilicic-acid-3D-balls.png 2x" data-class="mw-file-element"> </span></a></span></td> </tr> <tr> <td><span class="chemf nowrap">H<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">2</sub></span></span>SiO<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">3</sub></span></span></span> or <span class="chemf nowrap">SiO(OH)<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">2</sub></span></span></span></td> <td><a href="https://en-m-wikipedia-org.translate.goog/wiki/Metasilicic_acid?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Metasilicic acid">metasilicic acid</a></td> <td><span typeof="mw:File"><a href="https://en-m-wikipedia-org.translate.goog/wiki/File:Metasilicic-acid-3D-balls.png?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" class="mw-file-description"> <noscript> <img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e0/Metasilicic-acid-3D-balls.png/80px-Metasilicic-acid-3D-balls.png" decoding="async" width="80" height="52" class="mw-file-element" data-file-width="2000" data-file-height="1302"> </noscript><span class="lazy-image-placeholder" style="width: 80px;height: 52px;" data-mw-src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e0/Metasilicic-acid-3D-balls.png/80px-Metasilicic-acid-3D-balls.png" data-width="80" data-height="52" data-mw-srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e0/Metasilicic-acid-3D-balls.png/120px-Metasilicic-acid-3D-balls.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e0/Metasilicic-acid-3D-balls.png/160px-Metasilicic-acid-3D-balls.png 2x" data-class="mw-file-element"> </span></a></span></td> </tr> <tr> <td><span class="chemf nowrap">H<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">6</sub></span></span>Si<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">2</sub></span></span>O<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">7</sub></span></span></span> or <span class="chemf nowrap">O(Si(OH)<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">3</sub></span></span>)<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">2</sub></span></span></span></td> <td><a href="https://en-m-wikipedia-org.translate.goog/wiki/Pyrosilicic_acid?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Pyrosilicic acid">pyrosilicic acid</a></td> <td><span typeof="mw:File"><a href="https://en-m-wikipedia-org.translate.goog/wiki/File:Pyrosilicic-acid-3D-balls.png?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" class="mw-file-description"> <noscript> <img src="//upload.wikimedia.org/wikipedia/commons/thumb/0/09/Pyrosilicic-acid-3D-balls.png/112px-Pyrosilicic-acid-3D-balls.png" decoding="async" width="112" height="71" class="mw-file-element" data-file-width="2000" data-file-height="1276"> </noscript><span class="lazy-image-placeholder" style="width: 112px;height: 71px;" data-mw-src="//upload.wikimedia.org/wikipedia/commons/thumb/0/09/Pyrosilicic-acid-3D-balls.png/112px-Pyrosilicic-acid-3D-balls.png" data-width="112" data-height="71" data-mw-srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/09/Pyrosilicic-acid-3D-balls.png/168px-Pyrosilicic-acid-3D-balls.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/09/Pyrosilicic-acid-3D-balls.png/224px-Pyrosilicic-acid-3D-balls.png 2x" data-class="mw-file-element"> </span></a></span></td> </tr> <tr> <td><span class="chemf nowrap">H<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">2</sub></span></span>Si<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">2</sub></span></span>O<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">5</sub></span></span></span> or <span class="chemf nowrap">Si<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">2</sub></span></span>O<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">3</sub></span></span>(OH)<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">2</sub></span></span></span></td> <td>disilicic acid</td> <td><span typeof="mw:File"><a href="https://en-m-wikipedia-org.translate.goog/wiki/File:Disilicic-acid-3D-balls.png?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" class="mw-file-description"> <noscript> <img src="//upload.wikimedia.org/wikipedia/commons/thumb/9/98/Disilicic-acid-3D-balls.png/128px-Disilicic-acid-3D-balls.png" decoding="async" width="128" height="59" class="mw-file-element" data-file-width="2185" data-file-height="1000"> </noscript><span class="lazy-image-placeholder" style="width: 128px;height: 59px;" data-mw-src="//upload.wikimedia.org/wikipedia/commons/thumb/9/98/Disilicic-acid-3D-balls.png/128px-Disilicic-acid-3D-balls.png" data-width="128" data-height="59" data-mw-srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/98/Disilicic-acid-3D-balls.png/192px-Disilicic-acid-3D-balls.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/98/Disilicic-acid-3D-balls.png/256px-Disilicic-acid-3D-balls.png 2x" data-class="mw-file-element"> </span></a></span></td> </tr> </tbody> </table> </section> <div class="mw-heading mw-heading2 section-heading" onclick="mfTempOpenSection(2)"> <span class="indicator mf-icon mf-icon-expand mf-icon--small"></span> <h2 id="Reactions">Reactions</h2><span class="mw-editsection"> <a role="button" href="https://en-m-wikipedia-org.translate.goog/w/index.php?title=Silicic_acid&action=edit&section=2&_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Edit section: Reactions" class="cdx-button cdx-button--size-large cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--icon-only cdx-button--weight-quiet "> <span class="minerva-icon minerva-icon--edit"></span> <span>edit</span> </a> </span> </div> <section class="mf-section-2 collapsible-block" id="mf-section-2"> <p>Silicic acids can be seen as hydrated forms of silica, namely <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">2 H<sub class="template-chem2-sub">2<i>x</i></sub>SiO<sub class="template-chem2-sub"><i>x</i>+2</sub> = SiO<sub class="template-chem2-sub">2</sub>·(H<sub class="template-chem2-sub">2</sub>O)<sub class="template-chem2-sub"><i>x</i></sub></span>. Indeed, in concentrated solutions, silicic acids generally polymerize and condense, and ultimately degrade to silicon dioxide and <a href="https://en-m-wikipedia-org.translate.goog/wiki/Water?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Water">water</a>. The intermediate stages may be very thick liquids or <a href="https://en-m-wikipedia-org.translate.goog/wiki/Gel?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Gel">gel</a>-like solids.<sup id="cite_ref-gye_4-0" class="reference"><a href="https://en-m-wikipedia-org.translate.goog/wiki/Silicic_acid?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB#cite_note-gye-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-goto_5-0" class="reference"><a href="https://en-m-wikipedia-org.translate.goog/wiki/Silicic_acid?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB#cite_note-goto-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-ramberg_6-0" class="reference"><a href="https://en-m-wikipedia-org.translate.goog/wiki/Silicic_acid?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB#cite_note-ramberg-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> Dehydrating the latter yields a hard translucent form of silica with atomic-scale pores, called <a href="https://en-m-wikipedia-org.translate.goog/wiki/Silica_gel?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Silica gel">silica gel</a>, which is widely used as water absorbent and <a href="https://en-m-wikipedia-org.translate.goog/wiki/Desiccant?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Desiccant">drying agent</a>.</p> <p>Silica dissolves very sparingly in water<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="https://en-m-wikipedia-org.translate.goog/wiki/Wikipedia:Citation_needed?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (July 2018)">citation needed</span></a></i>]</sup> and is present in seawater at concentrations below 100 <a href="https://en-m-wikipedia-org.translate.goog/wiki/Parts_per_million?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" class="mw-redirect" title="Parts per million">parts per million</a>. In such dilute solutions, silica is assumed to exist as orthosilicic acid. Theoretical computations indicate that the dissolution of silica in water proceeds through the formation of a <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">SiO<sub class="template-chem2-sub">2</sub>·2H<sub>2</sub>O</span> complex and then orthosilicic acid.<sup id="cite_ref-7" class="reference"><a href="https://en-m-wikipedia-org.translate.goog/wiki/Silicic_acid?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup></p> <p>The silicon–oxygen double bond of metasilicic acid, implied by the formula <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">H<sub class="template-chem2-sub">2</sub>SiO<sub class="template-chem2-sub">3</sub></span>, is hypothetical or highly unstable. Such double bonds can be <a href="https://en-m-wikipedia-org.translate.goog/wiki/Hydration_reaction?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Hydration reaction">hydrated</a> to a pair of <a href="https://en-m-wikipedia-org.translate.goog/wiki/Hydroxyl?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" class="mw-redirect" title="Hydroxyl">hydroxyl</a> ( <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">−OH</span>) groups:<sup id="cite_ref-gye_4-1" class="reference"><a href="https://en-m-wikipedia-org.translate.goog/wiki/Silicic_acid?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB#cite_note-gye-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup></p> <dl> <dd> <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"> <math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {=Si=O + H2O <-> =Si(-OH)2}}}"><semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mo> = </mo> </mrow> <mtext> Si </mtext> <mrow class="MJX-TeXAtom-ORD"> <mo> = </mo> </mrow> <mtext> O </mtext> <mo> + </mo> <msubsup> <mtext> H </mtext> <mrow class="MJX-TeXAtom-ORD"> <mn> 2 </mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <mtext> O </mtext> <mo stretchy="false"> ⟷<!-- ⟷ --> </mo> <mrow class="MJX-TeXAtom-ORD"> <mo> = </mo> </mrow> <mtext> Si </mtext> <msubsup> <mrow class="MJX-TeXAtom-ORD"> <mo stretchy="false"> ( </mo> <mrow class="MJX-TeXAtom-ORD"> <mo> −<!-- − --> </mo> </mrow> <mtext> OH </mtext> <mo stretchy="false"> ) </mo> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn> 2 </mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex"> {\displaystyle {\ce {=Si=O + H2O <-> =Si(-OH)2}}} </annotation> </semantics> </math></span> <noscript> <img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/ac5efa011d46d9f40d384242a5a82f66c21ead62" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:32.389ex; height:3.009ex;" alt="{\displaystyle {\ce {=Si=O + H2O <-> =Si(-OH)2}}}"> </noscript><span class="lazy-image-placeholder" style="width: 32.389ex;height: 3.009ex;vertical-align: -1.005ex;" data-mw-src="https://wikimedia.org/api/rest_v1/media/math/render/svg/ac5efa011d46d9f40d384242a5a82f66c21ead62" data-alt="{\displaystyle {\ce {=Si=O + H2O <-> =Si(-OH)2}}}" data-class="mwe-math-fallback-image-inline mw-invert skin-invert"> </span></span> </dd> </dl> <p>For example,</p> <dl> <dd> <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"> <math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {{\overset {metasilicic\ acid}{H2SiO3}}+H2O<->{\overset {orthosilicic\ acid}{H4SiO4}}}}}"><semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mover> <mrow> <msubsup> <mtext> H </mtext> <mrow class="MJX-TeXAtom-ORD"> <mn> 2 </mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <msubsup> <mtext> SiO </mtext> <mrow class="MJX-TeXAtom-ORD"> <mn> 3 </mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> </mrow> <mrow> <mtext> metasilicic </mtext> <mtext> </mtext> <mtext> acid </mtext> </mrow> </mover> </mrow> <mo> + </mo> <msubsup> <mtext> H </mtext> <mrow class="MJX-TeXAtom-ORD"> <mn> 2 </mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <mtext> O </mtext> <mo stretchy="false"> ⟷<!-- ⟷ --> </mo> <mrow class="MJX-TeXAtom-ORD"> <mover> <mrow> <msubsup> <mtext> H </mtext> <mrow class="MJX-TeXAtom-ORD"> <mn> 4 </mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <msubsup> <mtext> SiO </mtext> <mrow class="MJX-TeXAtom-ORD"> <mn> 4 </mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> </mrow> <mrow> <mtext> orthosilicic </mtext> <mtext> </mtext> <mtext> acid </mtext> </mrow> </mover> </mrow> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex"> {\displaystyle {\ce {{\overset {metasilicic\ acid}{H2SiO3}}+H2O<->{\overset {orthosilicic\ acid}{H4SiO4}}}}} </annotation> </semantics> </math></span> <noscript> <img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/41bd2f1ca7277d32e226296a4e191bc9ac9c3e85" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:35.341ex; height:4.676ex;" alt="{\displaystyle {\ce {{\overset {metasilicic\ acid}{H2SiO3}}+H2O<->{\overset {orthosilicic\ acid}{H4SiO4}}}}}"> </noscript><span class="lazy-image-placeholder" style="width: 35.341ex;height: 4.676ex;vertical-align: -1.005ex;" data-mw-src="https://wikimedia.org/api/rest_v1/media/math/render/svg/41bd2f1ca7277d32e226296a4e191bc9ac9c3e85" data-alt="{\displaystyle {\ce {{\overset {metasilicic\ acid}{H2SiO3}}+H2O<->{\overset {orthosilicic\ acid}{H4SiO4}}}}}" data-class="mwe-math-fallback-image-inline mw-invert skin-invert"> </span></span> </dd> </dl> <p>or</p> <dl> <dd> <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"> <math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {{\overset {disilicic\ acid}{H2Si2O5}}+2H2O<->{\overset {pyrosilicic\ acid}{(HO)3Si-O-Si(OH)3}}}}}"><semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mover> <mrow> <msubsup> <mtext> H </mtext> <mrow class="MJX-TeXAtom-ORD"> <mn> 2 </mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <msubsup> <mtext> Si </mtext> <mrow class="MJX-TeXAtom-ORD"> <mn> 2 </mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <msubsup> <mtext> O </mtext> <mrow class="MJX-TeXAtom-ORD"> <mn> 5 </mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> </mrow> <mrow> <mtext> disilicic </mtext> <mtext> </mtext> <mtext> acid </mtext> </mrow> </mover> </mrow> <mo> + </mo> <mn> 2 </mn> <mspace width="thinmathspace"></mspace> <msubsup> <mtext> H </mtext> <mrow class="MJX-TeXAtom-ORD"> <mn> 2 </mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <mtext> O </mtext> <mo stretchy="false"> ⟷<!-- ⟷ --> </mo> <mrow class="MJX-TeXAtom-ORD"> <mover> <mrow> <msubsup> <mrow class="MJX-TeXAtom-ORD"> <mo stretchy="false"> ( </mo> <mtext> HO </mtext> <mo stretchy="false"> ) </mo> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn> 3 </mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <mtext> Si </mtext> <mrow class="MJX-TeXAtom-ORD"> <mo> −<!-- − --> </mo> </mrow> <mtext> O </mtext> <mrow class="MJX-TeXAtom-ORD"> <mo> −<!-- − --> </mo> </mrow> <mtext> Si </mtext> <msubsup> <mrow class="MJX-TeXAtom-ORD"> <mo stretchy="false"> ( </mo> <mtext> OH </mtext> <mo stretchy="false"> ) </mo> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn> 3 </mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> </mrow> <mrow> <mtext> pyrosilicic </mtext> <mtext> </mtext> <mtext> acid </mtext> </mrow> </mover> </mrow> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex"> {\displaystyle {\ce {{\overset {disilicic\ acid}{H2Si2O5}}+2H2O<->{\overset {pyrosilicic\ acid}{(HO)3Si-O-Si(OH)3}}}}} </annotation> </semantics> </math></span> <noscript> <img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/e8714af97eacfb444d15197e55ceb532615ea82f" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:45.55ex; height:5.009ex;" alt="{\displaystyle {\ce {{\overset {disilicic\ acid}{H2Si2O5}}+2H2O<->{\overset {pyrosilicic\ acid}{(HO)3Si-O-Si(OH)3}}}}}"> </noscript><span class="lazy-image-placeholder" style="width: 45.55ex;height: 5.009ex;vertical-align: -1.005ex;" data-mw-src="https://wikimedia.org/api/rest_v1/media/math/render/svg/e8714af97eacfb444d15197e55ceb532615ea82f" data-alt="{\displaystyle {\ce {{\overset {disilicic\ acid}{H2Si2O5}}+2H2O<->{\overset {pyrosilicic\ acid}{(HO)3Si-O-Si(OH)3}}}}}" data-class="mwe-math-fallback-image-inline mw-invert skin-invert"> </span></span> </dd> </dl> <p>Alternatively, metasilicic acid is liable to form cyclic polymers <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">[−SiO(OH)<sub class="template-chem2-sub">2</sub>−]<sub class="template-chem2-sub"><i>n</i></sub></span>, which can be opened by hydration to chain polymers <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">HO[−SiO(OH)<sub class="template-chem2-sub">2</sub>−]<sub class="template-chem2-sub"><i>n</i></sub>H</span>. Similarly, disilicic acid is liable to form complex polymers with a tetravalent unit, <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">[=Si<sub class="template-chem2-sub">2</sub>O<sub class="template-chem2-sub">3</sub>(OH)<sub class="template-chem2-sub">2</sub>=]<sub class="template-chem2-sub"><i>n</i></sub></span>. Conversely, <a href="https://en-m-wikipedia-org.translate.goog/wiki/Oligomer?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Oligomer">oligomeric</a> and polymeric acids may depolymerize by <a href="https://en-m-wikipedia-org.translate.goog/wiki/Hydrolysis?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Hydrolysis">hydrolysis</a> of the <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Si−O−Si</span> bridges, or such bridges may be created by <a href="https://en-m-wikipedia-org.translate.goog/wiki/Condensation_reaction?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Condensation reaction">condensation</a>:</p> <dl> <dd> <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"> <math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {#Si-O-Si# + H2O <-> #Si-OH + HO-Si#}}}"><semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mo> ≡<!-- ≡ --> </mo> </mrow> <mtext> Si </mtext> <mrow class="MJX-TeXAtom-ORD"> <mo> −<!-- − --> </mo> </mrow> <mtext> O </mtext> <mrow class="MJX-TeXAtom-ORD"> <mo> −<!-- − --> </mo> </mrow> <mtext> Si </mtext> <mrow class="MJX-TeXAtom-ORD"> <mo> ≡<!-- ≡ --> </mo> </mrow> <mo> + </mo> <msubsup> <mtext> H </mtext> <mrow class="MJX-TeXAtom-ORD"> <mn> 2 </mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <mtext> O </mtext> <mo stretchy="false"> ⟷<!-- ⟷ --> </mo> <mrow class="MJX-TeXAtom-ORD"> <mo> ≡<!-- ≡ --> </mo> </mrow> <mtext> Si </mtext> <mrow class="MJX-TeXAtom-ORD"> <mo> −<!-- − --> </mo> </mrow> <mtext> OH </mtext> <mo> + </mo> <mtext> HO </mtext> <mrow class="MJX-TeXAtom-ORD"> <mo> −<!-- − --> </mo> </mrow> <mtext> Si </mtext> <mrow class="MJX-TeXAtom-ORD"> <mo> ≡<!-- ≡ --> </mo> </mrow> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex"> {\displaystyle {\ce {#Si-O-Si# + H2O <-> #Si-OH + HO-Si#}}} </annotation> </semantics> </math></span> <noscript> <img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/f674cc709ae2df0db13eaff81296b301e6a7a608" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:47.029ex; height:2.843ex;" alt="{\displaystyle {\ce {#Si-O-Si# + H2O <-> #Si-OH + HO-Si#}}}"> </noscript><span class="lazy-image-placeholder" style="width: 47.029ex;height: 2.843ex;vertical-align: -1.005ex;" data-mw-src="https://wikimedia.org/api/rest_v1/media/math/render/svg/f674cc709ae2df0db13eaff81296b301e6a7a608" data-alt="{\displaystyle {\ce {#Si-O-Si# + H2O <-> #Si-OH + HO-Si#}}}" data-class="mwe-math-fallback-image-inline mw-invert skin-invert"> </span></span> </dd> </dl> <p>Like organic <a href="https://en-m-wikipedia-org.translate.goog/wiki/Silanol?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Silanol">silanols</a>, silicic acids are weak acids. Orthosilicic acid has calculated <a href="https://en-m-wikipedia-org.translate.goog/wiki/Acid_dissociation_constant?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Acid dissociation constant">dissociation potentials</a> p<i>K</i><sub><i>a</i><sub>1</sub></sub> = 9.84, p<i>K</i><sub><i>a</i><sub>2</sub></sub> = 13.2 at 25 °C.</p> <p>Silicic acids and silicates in solution react with <a href="https://en-m-wikipedia-org.translate.goog/wiki/Molybdate?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Molybdate">molybdate</a> anions, yielding yellow <a href="https://en-m-wikipedia-org.translate.goog/w/index.php?title=Silicomolybdate&action=edit&redlink=1&_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" class="new" title="Silicomolybdate (page does not exist)">silicomolybdate</a> complexes. This reaction has been used to <a href="https://en-m-wikipedia-org.translate.goog/wiki/Titration?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Titration">titrate</a> the content of silicon in water solutions and determine their nature. In a typical preparation, <a href="https://en-m-wikipedia-org.translate.goog/wiki/Monomer?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Monomer">monomeric</a> orthosilicic acid was found to react completely in 75 seconds, <a href="https://en-m-wikipedia-org.translate.goog/wiki/Dimer_(chemistry)?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" class="mw-redirect" title="Dimer (chemistry)">dimeric</a> pyrosilicic acid in 10 minutes, and higher <a href="https://en-m-wikipedia-org.translate.goog/wiki/Oligomer?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Oligomer">oligomers</a> in considerably longer time. The reaction is not observed with <a href="https://en-m-wikipedia-org.translate.goog/wiki/Colloidal_silica?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Colloidal silica">colloidal silica</a>.<sup id="cite_ref-GBAlex_8-0" class="reference"><a href="https://en-m-wikipedia-org.translate.goog/wiki/Silicic_acid?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB#cite_note-GBAlex-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup></p> <p>The degree of polymerization of silicic acids in water solution can be determined by its effect on the <a href="https://en-m-wikipedia-org.translate.goog/wiki/Freezing_point?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" class="mw-redirect" title="Freezing point">freezing point</a> of the solution (<a href="https://en-m-wikipedia-org.translate.goog/wiki/Cryoscopy?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" class="mw-redirect" title="Cryoscopy">cryoscopy</a>).<sup id="cite_ref-GBAlex_8-1" class="reference"><a href="https://en-m-wikipedia-org.translate.goog/wiki/Silicic_acid?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB#cite_note-GBAlex-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup></p> </section> <div class="mw-heading mw-heading2 section-heading" onclick="mfTempOpenSection(3)"> <span class="indicator mf-icon mf-icon-expand mf-icon--small"></span> <h2 id="History">History</h2><span class="mw-editsection"> <a role="button" href="https://en-m-wikipedia-org.translate.goog/w/index.php?title=Silicic_acid&action=edit&section=3&_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Edit section: History" class="cdx-button cdx-button--size-large cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--icon-only cdx-button--weight-quiet "> <span class="minerva-icon minerva-icon--edit"></span> <span>edit</span> </a> </span> </div> <section class="mf-section-3 collapsible-block" id="mf-section-3"> <p>Silicic acid was invoked by <a href="https://en-m-wikipedia-org.translate.goog/wiki/J%C3%B6ns_Jacob_Berzelius?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Jöns Jacob Berzelius">Jöns Jacob Berzelius</a> in the early 19th century to explain the dissolution of <a href="https://en-m-wikipedia-org.translate.goog/wiki/Silicon_dioxide?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Silicon dioxide">silicon dioxide</a> (silica, quartz) in water, namely through the <a href="https://en-m-wikipedia-org.translate.goog/wiki/Hydration_reaction?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Hydration reaction">hydration reaction</a>:</p> <dl> <dd> <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"> <math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {{\overset {silica}{SiO2}}+{\overset {water}{H2O}}<->{\overset {silicic\ acid}{H2SiO3}}}}}"><semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mover> <msubsup> <mtext> SiO </mtext> <mrow class="MJX-TeXAtom-ORD"> <mn> 2 </mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <mtext> silica </mtext> </mover> </mrow> <mo> + </mo> <mrow class="MJX-TeXAtom-ORD"> <mover> <mrow> <msubsup> <mtext> H </mtext> <mrow class="MJX-TeXAtom-ORD"> <mn> 2 </mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <mtext> O </mtext> </mrow> <mtext> water </mtext> </mover> </mrow> <mo stretchy="false"> ⟷<!-- ⟷ --> </mo> <mrow class="MJX-TeXAtom-ORD"> <mover> <mrow> <msubsup> <mtext> H </mtext> <mrow class="MJX-TeXAtom-ORD"> <mn> 2 </mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> <msubsup> <mtext> SiO </mtext> <mrow class="MJX-TeXAtom-ORD"> <mn> 3 </mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em"></mspace> </mrow> </msubsup> </mrow> <mrow> <mtext> silicic </mtext> <mtext> </mtext> <mtext> acid </mtext> </mrow> </mover> </mrow> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex"> {\displaystyle {\ce {{\overset {silica}{SiO2}}+{\overset {water}{H2O}}<->{\overset {silicic\ acid}{H2SiO3}}}}} </annotation> </semantics> </math></span> <noscript> <img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/b955337818fa67415b3f0d8833762e9c8e05b8ce" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:25.456ex; height:4.676ex;" alt="{\displaystyle {\ce {{\overset {silica}{SiO2}}+{\overset {water}{H2O}}<->{\overset {silicic\ acid}{H2SiO3}}}}}"> </noscript><span class="lazy-image-placeholder" style="width: 25.456ex;height: 4.676ex;vertical-align: -1.005ex;" data-mw-src="https://wikimedia.org/api/rest_v1/media/math/render/svg/b955337818fa67415b3f0d8833762e9c8e05b8ce" data-alt="{\displaystyle {\ce {{\overset {silica}{SiO2}}+{\overset {water}{H2O}}<->{\overset {silicic\ acid}{H2SiO3}}}}}" data-class="mwe-math-fallback-image-inline mw-invert skin-invert"> </span></span> </dd> </dl> <p>Based on the <a href="https://en-m-wikipedia-org.translate.goog/wiki/Vapor_pressure?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Vapor pressure">vapor pressure</a> curves for <a href="https://en-m-wikipedia-org.translate.goog/wiki/Silica_gel?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Silica gel">silica gel</a>, <a href="https://en-m-wikipedia-org.translate.goog/wiki/Reinout_Willem_van_Bemmelen?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Reinout Willem van Bemmelen">Reinout Willem Van Bemmelen</a> argued that no <a href="https://en-m-wikipedia-org.translate.goog/wiki/Silica?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" class="mw-redirect" title="Silica">silica</a> hydrates existed, only silica gel. On the other hand, <a href="https://en-m-wikipedia-org.translate.goog/wiki/Gustav_Tschermak_von_Seysenegg?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Gustav Tschermak von Seysenegg">Gustav Tschermak von Seysenegg</a> believed that he had observed different silicic acids as decomposition products of <a href="https://en-m-wikipedia-org.translate.goog/wiki/Phyllosilicate?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" class="mw-redirect" title="Phyllosilicate">natural silicate</a> gels.<sup id="cite_ref-9" class="reference"><a href="https://en-m-wikipedia-org.translate.goog/wiki/Silicic_acid?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup></p> <p>The first crystalline silicic acid was prepared from the <a href="https://en-m-wikipedia-org.translate.goog/wiki/Phyllosilicate?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" class="mw-redirect" title="Phyllosilicate">phyllosilicate</a> <a href="https://en-m-wikipedia-org.translate.goog/w/index.php?title=Natrosilite&action=edit&redlink=1&_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" class="new" title="Natrosilite (page does not exist)">natrosilite</a> ( <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Na<sub class="template-chem2-sub">2</sub>Si<sub class="template-chem2-sub">2</sub>O<sub class="template-chem2-sub">5</sub></span>) in 1924. More than 15 crystalline acids are known and comprise at least six modifications of <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">H<sub class="template-chem2-sub">2</sub>Si<sub class="template-chem2-sub">2</sub>O<sub class="template-chem2-sub">5</sub></span>. Some acids can <a href="https://en-m-wikipedia-org.translate.goog/wiki/Adsorption?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Adsorption">adsorb</a> and <a href="https://en-m-wikipedia-org.translate.goog/wiki/Intercalation_(chemistry)?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Intercalation (chemistry)">intercalate</a> organic molecules, and therefore are interesting alternatives to silica.<sup id="cite_ref-ull_10-0" class="reference"><a href="https://en-m-wikipedia-org.translate.goog/wiki/Silicic_acid?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB#cite_note-ull-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup></p> </section> <div class="mw-heading mw-heading2 section-heading" onclick="mfTempOpenSection(4)"> <span class="indicator mf-icon mf-icon-expand mf-icon--small"></span> <h2 id="Preparation">Preparation</h2><span class="mw-editsection"> <a role="button" href="https://en-m-wikipedia-org.translate.goog/w/index.php?title=Silicic_acid&action=edit&section=4&_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Edit section: Preparation" class="cdx-button cdx-button--size-large cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--icon-only cdx-button--weight-quiet "> <span class="minerva-icon minerva-icon--edit"></span> <span>edit</span> </a> </span> </div> <section class="mf-section-4 collapsible-block" id="mf-section-4"> <p>Crystalline silicic acids can be prepared by removing the sodium cations from solutions of <a href="https://en-m-wikipedia-org.translate.goog/wiki/Sodium_silicate?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Sodium silicate">sodium silicates</a> with an <a href="https://en-m-wikipedia-org.translate.goog/wiki/Ion-exchange_resin?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Ion-exchange resin">ion-exchange resin</a>, or by treating <a href="https://en-m-wikipedia-org.translate.goog/wiki/Sodium_silicate?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Sodium silicate">sodium silicates</a> with concentrated <a href="https://en-m-wikipedia-org.translate.goog/wiki/Sulfuric_acid?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Sulfuric acid">sulfuric acid</a>.<sup id="cite_ref-ull_10-1" class="reference"><a href="https://en-m-wikipedia-org.translate.goog/wiki/Silicic_acid?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB#cite_note-ull-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup></p> </section> <div class="mw-heading mw-heading2 section-heading" onclick="mfTempOpenSection(5)"> <span class="indicator mf-icon mf-icon-expand mf-icon--small"></span> <h2 id="See_also">See also</h2><span class="mw-editsection"> <a role="button" href="https://en-m-wikipedia-org.translate.goog/w/index.php?title=Silicic_acid&action=edit&section=5&_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Edit section: See also" class="cdx-button cdx-button--size-large cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--icon-only cdx-button--weight-quiet "> <span class="minerva-icon minerva-icon--edit"></span> <span>edit</span> </a> </span> </div> <section class="mf-section-5 collapsible-block" id="mf-section-5"> <ul> <li><a href="https://en-m-wikipedia-org.translate.goog/wiki/Boric_acid?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Boric acid">Boric acid</a></li> </ul> </section> <div class="mw-heading mw-heading2 section-heading" onclick="mfTempOpenSection(6)"> <span class="indicator mf-icon mf-icon-expand mf-icon--small"></span> <h2 id="References">References</h2><span class="mw-editsection"> <a role="button" href="https://en-m-wikipedia-org.translate.goog/w/index.php?title=Silicic_acid&action=edit&section=6&_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Edit section: References" class="cdx-button cdx-button--size-large cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--icon-only cdx-button--weight-quiet "> <span class="minerva-icon minerva-icon--edit"></span> <span>edit</span> </a> </span> </div> <section class="mf-section-6 collapsible-block" id="mf-section-6"> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style> <div class="reflist"> <div class="mw-references-wrap"> <ol class="references"> <li id="cite_note-Greenwood-1"><span class="mw-cite-backlink"><b><a href="https://en-m-wikipedia-org.translate.goog/wiki/Silicic_acid?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB#cite_ref-Greenwood_1-0">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFGreenwoodEarnshaw2012" class="citation book cs1">Greenwood, N. N.; Earnshaw, A. (2012). <a rel="nofollow" class="external text" href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://books.google.com/books?id%3DEvTI-ouH3SsC"><i>Chemistry of the Elements</i></a>. Elsevier Science. p. 346. <a href="https://en-m-wikipedia-org.translate.goog/wiki/ISBN_(identifier)?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="https://en-m-wikipedia-org.translate.goog/wiki/Special:BookSources/978-0-08-050109-3?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Special:BookSources/978-0-08-050109-3"><bdi>978-0-08-050109-3</bdi></a><span class="reference-accessdate">. Retrieved <span class="nowrap">July 27,</span> 2022</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Chemistry+of+the+Elements&rft.pages=346&rft.pub=Elsevier+Science&rft.date=2012&rft.isbn=978-0-08-050109-3&rft.aulast=Greenwood&rft.aufirst=N.+N.&rft.au=Earnshaw%2C+A.&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DEvTI-ouH3SsC&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASilicic+acid" class="Z3988"></span></span></li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="https://en-m-wikipedia-org.translate.goog/wiki/Silicic_acid?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB#cite_ref-2">^</a></b></span> <span class="reference-text"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFIler1979" class="citation book cs1">Iler, R. K. (1979). <i>The Chemistry of Silica</i>. New York: Wiley. <a href="https://en-m-wikipedia-org.translate.goog/wiki/ISBN_(identifier)?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="https://en-m-wikipedia-org.translate.goog/wiki/Special:BookSources/0-471-02404-X?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Special:BookSources/0-471-02404-X"><bdi>0-471-02404-X</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=The+Chemistry+of+Silica&rft.place=New+York&rft.pub=Wiley&rft.date=1979&rft.isbn=0-471-02404-X&rft.aulast=Iler&rft.aufirst=R.+K.&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASilicic+acid" class="Z3988"></span></span></li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="https://en-m-wikipedia-org.translate.goog/wiki/Silicic_acid?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB#cite_ref-3">^</a></b></span> <span class="reference-text"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFFrank_Wigglesworth_Clarke1914" class="citation book cs1"><a href="https://en-m-wikipedia-org.translate.goog/wiki/Frank_Wigglesworth_Clarke?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Frank Wigglesworth Clarke">Frank Wigglesworth Clarke</a> (1914). <a rel="nofollow" class="external text" href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://pubs.usgs.gov/bul/0588/report.pdf">"The Silicic Acids"</a> <span class="cs1-format">(PDF)</span>. <i>The Constitution of the Natural Silicates</i>. pp. <span class="nowrap">10–</span>19.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=The+Silicic+Acids&rft.btitle=The+Constitution+of+the+Natural+Silicates&rft.pages=%3Cspan+class%3D%22nowrap%22%3E10-%3C%2Fspan%3E19&rft.date=1914&rft.au=Frank+Wigglesworth+Clarke&rft_id=https%3A%2F%2Fpubs.usgs.gov%2Fbul%2F0588%2Freport.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASilicic+acid" class="Z3988"></span></span></li> <li id="cite_note-gye-4"><span class="mw-cite-backlink">^ <a href="https://en-m-wikipedia-org.translate.goog/wiki/Silicic_acid?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB#cite_ref-gye_4-0"><sup><i><b>a</b></i></sup></a> <a href="https://en-m-wikipedia-org.translate.goog/wiki/Silicic_acid?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB#cite_ref-gye_4-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text">W. E. Gye and W. J. Purdy (1922): "The Poisonous Properties of Colloidal Silica. I: The Effects of the Parenteral Administration of Large Doses". <i>British Journal of Experimental Pathology</i>, volume 3, issue 2, pages 75–85. <a href="https://en-m-wikipedia-org.translate.goog/wiki/PMC_(identifier)?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" class="mw-redirect" title="PMC (identifier)">PMC</a> <a rel="nofollow" class="external text" href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2047780/">2047780</a>.</span></li> <li id="cite_note-goto-5"><span class="mw-cite-backlink"><b><a href="https://en-m-wikipedia-org.translate.goog/wiki/Silicic_acid?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB#cite_ref-goto_5-0">^</a></b></span> <span class="reference-text">Katsumi Goto (1956): "Effect of pH on Polymerization of Silicic Acid". <i>Journal of Physical Chemistry</i>, volume 60, issue 7, pages 1007–1008. <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="https://en-m-wikipedia-org.translate.goog/wiki/Doi_(identifier)?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://doi.org/10.1021%252Fj150541a046">10.1021/j150541a046</a>.</span></li> <li id="cite_note-ramberg-6"><span class="mw-cite-backlink"><b><a href="https://en-m-wikipedia-org.translate.goog/wiki/Silicic_acid?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB#cite_ref-ramberg_6-0">^</a></b></span> <span class="reference-text">Hans Ramberg (1952): "Chemical Bonds and Distribution of Cations in Silicates". <i>The Journal of Geology</i>, volume 60, issue 4, pages 331–355. <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="https://en-m-wikipedia-org.translate.goog/wiki/Doi_(identifier)?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://doi.org/10.1086%252F625982">10.1086/625982</a>.</span></li> <li id="cite_note-7"><span class="mw-cite-backlink"><b><a href="https://en-m-wikipedia-org.translate.goog/wiki/Silicic_acid?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB#cite_ref-7">^</a></b></span> <span class="reference-text">Bhaskar Mondal, Deepanwita Ghosh, and Abhijit K. Das (2009): "Thermochemistry for silicic acid formation reaction: Prediction of new reaction pathway". <i>Chemical Physics Letters</i>, volume 478, issues 4–6, pages 115–119. <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="https://en-m-wikipedia-org.translate.goog/wiki/Doi_(identifier)?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://doi.org/10.1016%252Fj.cplett.2009.07.063">10.1016/j.cplett.2009.07.063</a>.</span></li> <li id="cite_note-GBAlex-8"><span class="mw-cite-backlink">^ <a href="https://en-m-wikipedia-org.translate.goog/wiki/Silicic_acid?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB#cite_ref-GBAlex_8-0"><sup><i><b>a</b></i></sup></a> <a href="https://en-m-wikipedia-org.translate.goog/wiki/Silicic_acid?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB#cite_ref-GBAlex_8-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text">G. B. Alexander (1953): "The Reaction of Low Molecular Weight Silicic Acids with Molybdic Acid". <i>Journal of the American Chemical Society</i>, volume 75, issue 22, pages 5655–5657. <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="https://en-m-wikipedia-org.translate.goog/wiki/Doi_(identifier)?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://doi.org/10.1021%252Fja01118a054">10.1021/ja01118a054</a>.</span></li> <li id="cite_note-9"><span class="mw-cite-backlink"><b><a href="https://en-m-wikipedia-org.translate.goog/wiki/Silicic_acid?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB#cite_ref-9">^</a></b></span> <span class="reference-text"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFRobert_SchwarzErnst_Menner1924" class="citation cs2 cs1-prop-foreign-lang-source">Robert Schwarz; Ernst Menner (1924), "Zur Kenntnis der Kieselsäuren", <i><a href="https://en-m-wikipedia-org.translate.goog/wiki/Ber._Dtsch._Chem._Ges.?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" class="mw-redirect" title="Ber. Dtsch. Chem. Ges.">Ber. Dtsch. Chem. Ges.</a></i> (in German), <b>57</b> (8): <span class="nowrap">1477–</span>1481, <a href="https://en-m-wikipedia-org.translate.goog/wiki/Doi_(identifier)?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://doi.org/10.1002%252Fcber.19240570850">10.1002/cber.19240570850</a></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Ber.+Dtsch.+Chem.+Ges.&rft.atitle=Zur+Kenntnis+der+Kiesels%C3%A4uren&rft.volume=57&rft.issue=8&rft.pages=%3Cspan+class%3D%22nowrap%22%3E1477-%3C%2Fspan%3E1481&rft.date=1924&rft_id=info%3Adoi%2F10.1002%2Fcber.19240570850&rft.au=Robert+Schwarz&rft.au=Ernst+Menner&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASilicic+acid" class="Z3988"></span>.</span></li> <li id="cite_note-ull-10"><span class="mw-cite-backlink">^ <a href="https://en-m-wikipedia-org.translate.goog/wiki/Silicic_acid?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB#cite_ref-ull_10-0"><sup><i><b>a</b></i></sup></a> <a href="https://en-m-wikipedia-org.translate.goog/wiki/Silicic_acid?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB#cite_ref-ull_10-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation cs2">"Silicates", <i><a href="https://en-m-wikipedia-org.translate.goog/wiki/Ullmann%27s_Encyclopedia_of_Industrial_Chemistry?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" title="Ullmann's Encyclopedia of Industrial Chemistry">Ullmann's Encyclopedia of Industrial Chemistry</a></i> (7th ed.), 2007, <a href="https://en-m-wikipedia-org.translate.goog/wiki/Doi_(identifier)?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://doi.org/10.1002%252F14356007.a23_661">10.1002/14356007.a23_661</a></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Silicates&rft.btitle=Ullmann%27s+Encyclopedia+of+Industrial+Chemistry&rft.edition=7th&rft.date=2007&rft_id=info%3Adoi%2F10.1002%2F14356007.a23_661&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASilicic+acid" class="Z3988"></span>.</span></li> </ol> </div> </div> <div class="navbox-styles"> <style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol ol,.mw-parser-output .hlist ol ul,.mw-parser-output .hlist ul dl,.mw-parser-output .hlist ul ol,.mw-parser-output .hlist ul ul{display:inline}.mw-parser-output .hlist .mw-empty-li{display:none}.mw-parser-output .hlist dt::after{content:": "}.mw-parser-output .hlist dd::after,.mw-parser-output .hlist li::after{content:" · ";font-weight:bold}.mw-parser-output .hlist dd:last-child::after,.mw-parser-output .hlist dt:last-child::after,.mw-parser-output .hlist li:last-child::after{content:none}.mw-parser-output .hlist dd dd:first-child::before,.mw-parser-output .hlist dd dt:first-child::before,.mw-parser-output .hlist dd li:first-child::before,.mw-parser-output .hlist dt dd:first-child::before,.mw-parser-output .hlist dt dt:first-child::before,.mw-parser-output .hlist dt li:first-child::before,.mw-parser-output .hlist li dd:first-child::before,.mw-parser-output .hlist li dt:first-child::before,.mw-parser-output .hlist li li:first-child::before{content:" (";font-weight:normal}.mw-parser-output .hlist dd dd:last-child::after,.mw-parser-output .hlist dd dt:last-child::after,.mw-parser-output .hlist dd li:last-child::after,.mw-parser-output .hlist dt dd:last-child::after,.mw-parser-output .hlist dt dt:last-child::after,.mw-parser-output .hlist dt li:last-child::after,.mw-parser-output .hlist li dd:last-child::after,.mw-parser-output .hlist li dt:last-child::after,.mw-parser-output .hlist li li:last-child::after{content:")";font-weight:normal}.mw-parser-output .hlist ol{counter-reset:listitem}.mw-parser-output .hlist ol>li{counter-increment:listitem}.mw-parser-output .hlist ol>li::before{content:" "counter(listitem)"\a0 "}.mw-parser-output .hlist dd ol>li:first-child::before,.mw-parser-output .hlist dt ol>li:first-child::before,.mw-parser-output .hlist li ol>li:first-child::before{content:" ("counter(listitem)"\a0 "}</style> <style data-mw-deduplicate="TemplateStyles:r1236075235">.mw-parser-output .navbox{box-sizing:border-box;border:1px solid #a2a9b1;width:100%;clear:both;font-size:88%;text-align:center;padding:1px;margin:1em auto 0}.mw-parser-output .navbox .navbox{margin-top:0}.mw-parser-output .navbox+.navbox,.mw-parser-output .navbox+.navbox-styles+.navbox{margin-top:-1px}.mw-parser-output .navbox-inner,.mw-parser-output .navbox-subgroup{width:100%}.mw-parser-output .navbox-group,.mw-parser-output .navbox-title,.mw-parser-output .navbox-abovebelow{padding:0.25em 1em;line-height:1.5em;text-align:center}.mw-parser-output .navbox-group{white-space:nowrap;text-align:right}.mw-parser-output .navbox,.mw-parser-output .navbox-subgroup{background-color:#fdfdfd}.mw-parser-output .navbox-list{line-height:1.5em;border-color:#fdfdfd}.mw-parser-output .navbox-list-with-group{text-align:left;border-left-width:2px;border-left-style:solid}.mw-parser-output tr+tr>.navbox-abovebelow,.mw-parser-output tr+tr>.navbox-group,.mw-parser-output tr+tr>.navbox-image,.mw-parser-output tr+tr>.navbox-list{border-top:2px solid #fdfdfd}.mw-parser-output .navbox-title{background-color:#ccf}.mw-parser-output .navbox-abovebelow,.mw-parser-output .navbox-group,.mw-parser-output .navbox-subgroup .navbox-title{background-color:#ddf}.mw-parser-output .navbox-subgroup .navbox-group,.mw-parser-output .navbox-subgroup .navbox-abovebelow{background-color:#e6e6ff}.mw-parser-output .navbox-even{background-color:#f7f7f7}.mw-parser-output .navbox-odd{background-color:transparent}.mw-parser-output .navbox .hlist td dl,.mw-parser-output .navbox .hlist td ol,.mw-parser-output .navbox .hlist td ul,.mw-parser-output .navbox td.hlist dl,.mw-parser-output .navbox td.hlist ol,.mw-parser-output .navbox td.hlist ul{padding:0.125em 0}.mw-parser-output .navbox .navbar{display:block;font-size:100%}.mw-parser-output .navbox-title .navbar{float:left;text-align:left;margin-right:0.5em}body.skin--responsive .mw-parser-output .navbox-image img{max-width:none!important}@media print{body.ns-0 .mw-parser-output .navbox{display:none!important}}</style> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"> </div><!-- NewPP limit report Parsed by mw‐web.codfw.main‐749c498c8d‐dw8rv Cached time: 20250219151505 Cache expiry: 2592000 Reduced expiry: false Complications: [vary‐revision‐sha1, show‐toc] CPU time usage: 0.601 seconds Real time usage: 0.765 seconds Preprocessor visited node count: 7058/1000000 Post‐expand include size: 154477/2097152 bytes Template argument size: 12129/2097152 bytes Highest expansion depth: 16/100 Expensive parser function count: 3/500 Unstrip recursion depth: 1/20 Unstrip post‐expand size: 72847/5000000 bytes Lua time usage: 0.348/10.000 seconds Lua memory usage: 8286007/52428800 bytes Number of Wikibase entities loaded: 0/400 --> <!-- Transclusion expansion time report (%,ms,calls,template) 100.00% 615.145 1 -total 38.39% 236.179 1 Template:Hydrogen_compounds 37.78% 232.376 1 Template:Navbox 30.48% 187.503 73 Template:Chem2 22.41% 137.842 1 Template:Reflist 14.24% 87.575 3 Template:Cite_book 10.40% 63.975 1 Template:Short_description 9.53% 58.629 1 Template:More_citations_needed 8.75% 53.830 1 Template:Ambox 6.41% 39.447 2 Template:Pagetype --> <!-- Saved in parser cache with key enwiki:pcache:58036325:|#|:idhash:canonical and timestamp 20250219151505 and revision id 1234845953. Rendering was triggered because: page-view --> </section> </div><!-- MobileFormatter took 0.010 seconds --><!--esi <esi:include src="/esitest-fa8a495983347898/content" /> --> <noscript> <img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?useformat=mobile&type=1x1&usesul3=0" alt="" width="1" height="1" style="border: none; position: absolute;"> </noscript> <div class="printfooter" data-nosnippet=""> Retrieved from "<a dir="ltr" href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://en.wikipedia.org/w/index.php?title%3DSilicic_acid%26oldid%3D1234845953">https://en.wikipedia.org/w/index.php?title=Silicic_acid&oldid=1234845953</a>" </div> </div> </div> <div class="post-content" id="page-secondary-actions"> </div> </main> <footer class="mw-footer minerva-footer" role="contentinfo"><a class="last-modified-bar" href="https://en-m-wikipedia-org.translate.goog/w/index.php?title=Silicic_acid&action=history&_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB"> <div class="post-content last-modified-bar__content"><span class="minerva-icon minerva-icon-size-medium minerva-icon--modified-history"></span> <span class="last-modified-bar__text modified-enhancement" data-user-name="145.107.155.72" data-user-gender="unknown" data-timestamp="1721133225"> <span>Last edited on 16 July 2024, at 12:33</span> </span> <span class="minerva-icon minerva-icon-size-small minerva-icon--expand"></span> </div></a> <div class="post-content footer-content"> <div id="mw-data-after-content"> <div class="read-more-container"></div> </div> <div id="p-lang"> <h4>Languages</h4> <section> <ul id="p-variants" class="minerva-languages"></ul> <ul class="minerva-languages"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://af.wikipedia.org/wiki/Kieselsuur" title="Kieselsuur – Afrikaans" lang="af" hreflang="af" data-title="Kieselsuur" data-language-autonym="Afrikaans" data-language-local-name="Afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://ar.wikipedia.org/wiki/%25D8%25AD%25D9%2585%25D8%25B6_%25D8%25A7%25D9%2584%25D8%25B3%25D9%258A%25D9%2584%25D9%258A%25D8%25B3%25D9%258A%25D9%2583" title="حمض السيليسيك – Arabic" lang="ar" hreflang="ar" data-title="حمض السيليسيك" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li> <li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://be-tarask.wikipedia.org/wiki/%25D0%259A%25D1%2580%25D1%258D%25D0%25BC%25D0%25BD%25D0%25B0%25D0%25B2%25D1%258B%25D1%258F_%25D0%25BA%25D1%2596%25D1%2581%25D1%258C%25D0%25BB%25D1%2596" title="Крэмнавыя кісьлі – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Крэмнавыя кісьлі" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li> <li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://ca.wikipedia.org/wiki/%25C3%2580cid_sil%25C3%25ADcic" title="Àcid silícic – Catalan" lang="ca" hreflang="ca" data-title="Àcid silícic" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li> <li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://cs.wikipedia.org/wiki/Kyselina_k%25C5%2599emi%25C4%258Dit%25C3%25A1" title="Kyselina křemičitá – Czech" lang="cs" hreflang="cs" data-title="Kyselina křemičitá" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li> <li class="interlanguage-link interwiki-da mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://da.wikipedia.org/wiki/Kiselsyre" title="Kiselsyre – Danish" lang="da" hreflang="da" data-title="Kiselsyre" data-language-autonym="Dansk" data-language-local-name="Danish" class="interlanguage-link-target"><span>Dansk</span></a></li> <li class="interlanguage-link interwiki-de mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://de.wikipedia.org/wiki/Kiesels%25C3%25A4uren" title="Kieselsäuren – German" lang="de" hreflang="de" data-title="Kieselsäuren" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li> <li class="interlanguage-link interwiki-el mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://el.wikipedia.org/wiki/%25CE%25A0%25CF%2585%25CF%2581%25CE%25B9%25CF%2584%25CE%25B9%25CE%25BA%25CF%258C_%25CE%25BF%25CE%25BE%25CF%258D" title="Πυριτικό οξύ – Greek" lang="el" hreflang="el" data-title="Πυριτικό οξύ" data-language-autonym="Ελληνικά" data-language-local-name="Greek" class="interlanguage-link-target"><span>Ελληνικά</span></a></li> <li class="interlanguage-link interwiki-es mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://es.wikipedia.org/wiki/%25C3%2581cido_sil%25C3%25ADcico" title="Ácido silícico – Spanish" lang="es" hreflang="es" data-title="Ácido silícico" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li> <li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://eo.wikipedia.org/wiki/Silikata_acido" title="Silikata acido – Esperanto" lang="eo" hreflang="eo" data-title="Silikata acido" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li> <li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://fr.wikipedia.org/wiki/Acide_silicique" title="Acide silicique – French" lang="fr" hreflang="fr" data-title="Acide silicique" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li> <li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://ko.wikipedia.org/wiki/%25EA%25B7%259C%25EC%2582%25B0" title="규산 – Korean" lang="ko" hreflang="ko" data-title="규산" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li> <li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://hy.wikipedia.org/wiki/%25D5%258D%25D5%25AB%25D5%25AC%25D5%25AB%25D5%25AF%25D5%25A1%25D5%25A9%25D5%25A9%25D5%25B8%25D6%2582%25D5%25B6%25D5%25A5%25D6%2580" title="Սիլիկաթթուներ – Armenian" lang="hy" hreflang="hy" data-title="Սիլիկաթթուներ" data-language-autonym="Հայերեն" data-language-local-name="Armenian" class="interlanguage-link-target"><span>Հայերեն</span></a></li> <li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://hi.wikipedia.org/wiki/%25E0%25A4%25B8%25E0%25A4%25BF%25E0%25A4%25B2%25E0%25A4%25BF%25E0%25A4%25B8%25E0%25A4%25BF%25E0%25A4%2595_%25E0%25A4%2585%25E0%25A4%25AE%25E0%25A5%258D%25E0%25A4%25B2" title="सिलिसिक अम्ल – Hindi" lang="hi" hreflang="hi" data-title="सिलिसिक अम्ल" data-language-autonym="हिन्दी" data-language-local-name="Hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li> <li class="interlanguage-link interwiki-it mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://it.wikipedia.org/wiki/Acido_silicico" title="Acido silicico – Italian" lang="it" hreflang="it" data-title="Acido silicico" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li> <li class="interlanguage-link interwiki-he mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://he.wikipedia.org/wiki/%25D7%2597%25D7%2595%25D7%259E%25D7%25A6%25D7%2594_%25D7%25A6%25D7%2595%25D7%25A8%25D7%25A0%25D7%2599%25D7%25AA" title="חומצה צורנית – Hebrew" lang="he" hreflang="he" data-title="חומצה צורנית" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target"><span>עברית</span></a></li> <li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://ka.wikipedia.org/wiki/%25E1%2583%25A1%25E1%2583%2598%25E1%2583%259A%25E1%2583%2598%25E1%2583%25AA%25E1%2583%2598%25E1%2583%25A3%25E1%2583%259B%25E1%2583%259B%25E1%2583%259F%25E1%2583%2590%25E1%2583%2595%25E1%2583%2590" title="სილიციუმმჟავა – Georgian" lang="ka" hreflang="ka" data-title="სილიციუმმჟავა" data-language-autonym="ქართული" data-language-local-name="Georgian" class="interlanguage-link-target"><span>ქართული</span></a></li> <li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://lv.wikipedia.org/wiki/Sil%25C4%25ABcijsk%25C4%2581be" title="Silīcijskābe – Latvian" lang="lv" hreflang="lv" data-title="Silīcijskābe" data-language-autonym="Latviešu" data-language-local-name="Latvian" class="interlanguage-link-target"><span>Latviešu</span></a></li> <li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://lt.wikipedia.org/wiki/Silicio_r%25C5%25ABg%25C5%25A1tis" title="Silicio rūgštis – Lithuanian" lang="lt" hreflang="lt" data-title="Silicio rūgštis" data-language-autonym="Lietuvių" data-language-local-name="Lithuanian" class="interlanguage-link-target"><span>Lietuvių</span></a></li> <li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://hu.wikipedia.org/wiki/Kovasav" title="Kovasav – Hungarian" lang="hu" hreflang="hu" data-title="Kovasav" data-language-autonym="Magyar" data-language-local-name="Hungarian" class="interlanguage-link-target"><span>Magyar</span></a></li> <li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://nl.wikipedia.org/wiki/Kiezelzuur" title="Kiezelzuur – Dutch" lang="nl" hreflang="nl" data-title="Kiezelzuur" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li> <li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://ja.wikipedia.org/wiki/%25E3%2582%25B1%25E3%2582%25A4%25E9%2585%25B8" title="ケイ酸 – Japanese" lang="ja" hreflang="ja" data-title="ケイ酸" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li> <li class="interlanguage-link interwiki-frr mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://frr.wikipedia.org/wiki/Kiisels%25C3%25BCren" title="Kiiselsüren – Northern Frisian" lang="frr" hreflang="frr" data-title="Kiiselsüren" data-language-autonym="Nordfriisk" data-language-local-name="Northern Frisian" class="interlanguage-link-target"><span>Nordfriisk</span></a></li> <li class="interlanguage-link interwiki-no mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://no.wikipedia.org/wiki/Kiselsyre" title="Kiselsyre – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="Kiselsyre" data-language-autonym="Norsk bokmål" data-language-local-name="Norwegian Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li> <li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://uz.wikipedia.org/wiki/Silikat_kislotalar" title="Silikat kislotalar – Uzbek" lang="uz" hreflang="uz" data-title="Silikat kislotalar" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="Uzbek" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li> <li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://nds.wikipedia.org/wiki/Kiesels%25C3%25BC%25C3%25BCr" title="Kieselsüür – Low German" lang="nds" hreflang="nds" data-title="Kieselsüür" data-language-autonym="Plattdüütsch" data-language-local-name="Low German" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li> <li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://pl.wikipedia.org/wiki/Kwasy_krzemowe" title="Kwasy krzemowe – Polish" lang="pl" hreflang="pl" data-title="Kwasy krzemowe" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li> <li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://ro.wikipedia.org/wiki/Acid_silicic" title="Acid silicic – Romanian" lang="ro" hreflang="ro" data-title="Acid silicic" data-language-autonym="Română" data-language-local-name="Romanian" class="interlanguage-link-target"><span>Română</span></a></li> <li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://ru.wikipedia.org/wiki/%25D0%259A%25D1%2580%25D0%25B5%25D0%25BC%25D0%25BD%25D0%25B8%25D0%25B5%25D0%25B2%25D1%258B%25D0%25B5_%25D0%25BA%25D0%25B8%25D1%2581%25D0%25BB%25D0%25BE%25D1%2582%25D1%258B" title="Кремниевые кислоты – Russian" lang="ru" hreflang="ru" data-title="Кремниевые кислоты" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li> <li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://sr.wikipedia.org/wiki/Silicijumova_kiselina" title="Silicijumova kiselina – Serbian" lang="sr" hreflang="sr" data-title="Silicijumova kiselina" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" class="interlanguage-link-target"><span>Српски / srpski</span></a></li> <li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://sh.wikipedia.org/wiki/Silicijumova_kiselina" title="Silicijumova kiselina – Serbo-Croatian" lang="sh" hreflang="sh" data-title="Silicijumova kiselina" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Croatian" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li> <li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://fi.wikipedia.org/wiki/Piihappo" title="Piihappo – Finnish" lang="fi" hreflang="fi" data-title="Piihappo" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li> <li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://uk.wikipedia.org/wiki/%25D0%25A1%25D0%25B8%25D0%25BB%25D1%2596%25D0%25BA%25D0%25B0%25D1%2582%25D0%25BD%25D1%2596_%25D0%25BA%25D0%25B8%25D1%2581%25D0%25BB%25D0%25BE%25D1%2582%25D0%25B8" title="Силікатні кислоти – Ukrainian" lang="uk" hreflang="uk" data-title="Силікатні кислоти" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li> <li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://vi.wikipedia.org/wiki/Acid_silicic" title="Acid silicic – Vietnamese" lang="vi" hreflang="vi" data-title="Acid silicic" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li> <li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://wuu.wikipedia.org/wiki/%25E7%25A1%2585%25E9%2585%25B8" title="硅酸 – Wu" lang="wuu" hreflang="wuu" data-title="硅酸" data-language-autonym="吴语" data-language-local-name="Wu" class="interlanguage-link-target"><span>吴语</span></a></li> <li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://zh.wikipedia.org/wiki/%25E7%25A1%2585%25E9%2585%25B8" title="硅酸 – Chinese" lang="zh" hreflang="zh" data-title="硅酸" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> </section> </div> <div class="minerva-footer-logo"> <img src="/static/images/mobile/copyright/wikipedia-wordmark-en.svg" alt="Wikipedia" width="120" height="18" style="width: 7.5em; height: 1.125em;"> </div> <ul id="footer-info" class="footer-info hlist hlist-separated"> <li id="footer-info-lastmod">This page was last edited on 16 July 2024, at 12:33<span class="anonymous-show"> (UTC)</span>.</li> <li id="footer-info-copyright">Content is available under <a class="external" rel="nofollow" href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://creativecommons.org/licenses/by-sa/4.0/deed.en">CC BY-SA 4.0</a> unless otherwise noted.</li> </ul> <ul id="footer-places" class="footer-places hlist hlist-separated"> <li id="footer-places-privacy"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Privacy_policy">Privacy policy</a></li> <li id="footer-places-about"><a href="https://en-m-wikipedia-org.translate.goog/wiki/Wikipedia:About?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB">About Wikipedia</a></li> <li id="footer-places-disclaimers"><a href="https://en-m-wikipedia-org.translate.goog/wiki/Wikipedia:General_disclaimer?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-GB">Disclaimers</a></li> <li id="footer-places-contact"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://en.wikipedia.org/wiki/Wikipedia:Contact_us">Contact Wikipedia</a></li> <li id="footer-places-wm-codeofconduct"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Universal_Code_of_Conduct">Code of Conduct</a></li> <li id="footer-places-developers"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://developer.wikimedia.org">Developers</a></li> <li id="footer-places-statslink"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://stats.wikimedia.org/%23/en.wikipedia.org">Statistics</a></li> <li id="footer-places-cookiestatement"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Cookie_statement">Cookie statement</a></li> <li id="footer-places-terms-use"><a href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://foundation.m.wikimedia.org/wiki/Special:MyLanguage/Policy:Terms_of_Use">Terms of Use</a></li> <li id="footer-places-desktop-toggle"><a id="mw-mf-display-toggle" href="https://translate.google.com/website?sl=auto&tl=en&hl=en-GB&u=https://en.wikipedia.org/w/index.php?title%3DSilicic_acid%26mobileaction%3Dtoggle_view_desktop" data-event-name="switch_to_desktop">Desktop</a></li> </ul> </div> </footer> </div> </div> <div class="mw-notification-area" data-mw="interface"></div><!-- v:8.3.1 --> <script>(RLQ=window.RLQ||[]).push(function(){mw.config.set({"wgHostname":"mw-web.codfw.main-64cbfc75fb-phc54","wgBackendResponseTime":160,"wgPageParseReport":{"limitreport":{"cputime":"0.601","walltime":"0.765","ppvisitednodes":{"value":7058,"limit":1000000},"postexpandincludesize":{"value":154477,"limit":2097152},"templateargumentsize":{"value":12129,"limit":2097152},"expansiondepth":{"value":16,"limit":100},"expensivefunctioncount":{"value":3,"limit":500},"unstrip-depth":{"value":1,"limit":20},"unstrip-size":{"value":72847,"limit":5000000},"entityaccesscount":{"value":0,"limit":400},"timingprofile":["100.00% 615.145 1 -total"," 38.39% 236.179 1 Template:Hydrogen_compounds"," 37.78% 232.376 1 Template:Navbox"," 30.48% 187.503 73 Template:Chem2"," 22.41% 137.842 1 Template:Reflist"," 14.24% 87.575 3 Template:Cite_book"," 10.40% 63.975 1 Template:Short_description"," 9.53% 58.629 1 Template:More_citations_needed"," 8.75% 53.830 1 Template:Ambox"," 6.41% 39.447 2 Template:Pagetype"]},"scribunto":{"limitreport-timeusage":{"value":"0.348","limit":"10.000"},"limitreport-memusage":{"value":8286007,"limit":52428800}},"cachereport":{"origin":"mw-web.codfw.main-749c498c8d-dw8rv","timestamp":"20250219151505","ttl":2592000,"transientcontent":false}}});});</script> <script type="application/ld+json">{"@context":"https:\/\/schema.org","@type":"Article","name":"Silicic acid","url":"https:\/\/en.wikipedia.org\/wiki\/Silicic_acid","sameAs":"http:\/\/www.wikidata.org\/entity\/Q12457481","mainEntity":"http:\/\/www.wikidata.org\/entity\/Q12457481","author":{"@type":"Organization","name":"Contributors to Wikimedia projects"},"publisher":{"@type":"Organization","name":"Wikimedia Foundation, Inc.","logo":{"@type":"ImageObject","url":"https:\/\/www.wikimedia.org\/static\/images\/wmf-hor-googpub.png"}},"datePublished":"2005-01-07T16:19:22Z","dateModified":"2024-07-16T12:33:45Z","headline":"family of acid compounds"}</script> <script>(window.NORLQ=window.NORLQ||[]).push(function(){var ns,i,p,img;ns=document.getElementsByTagName('noscript');for(i=0;i<ns.length;i++){p=ns[i].nextSibling;if(p&&p.className&&p.className.indexOf('lazy-image-placeholder')>-1){img=document.createElement('img');img.setAttribute('src',p.getAttribute('data-mw-src'));img.setAttribute('width',p.getAttribute('data-width'));img.setAttribute('height',p.getAttribute('data-height'));img.setAttribute('alt',p.getAttribute('data-alt'));p.parentNode.replaceChild(img,p);}}});</script> <script>function gtElInit() {var lib = new google.translate.TranslateService();lib.translatePage('en', 'en', function () {});}</script> <script src="https://translate.google.com/translate_a/element.js?cb=gtElInit&hl=en-GB&client=wt" type="text/javascript"></script> </body> </html>