CINXE.COM

RSC Publishing - Cookies

<!DOCTYPE html> <!--[if IE 8 ]><html class="ie ie8" lang="en"><![endif]--> <!--[if !(IE)]><!--> <html lang="en"> <!--<![endif]--> <head id="Head1"> <title> RSC Publishing - Cookies </title> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"><script type="text/javascript">window.NREUM||(NREUM={});NREUM.info = {"beacon":"bam.nr-data.net","errorBeacon":"bam.nr-data.net","licenseKey":"NRJS-aaa897feae8feeca979","applicationID":"1313546638","transactionName":"M1wANxQFCEcDVU0PWgoWLzUlSyVbDEJcCEEnVgwXFAsKWAdEFiVaC1ILBhU=","queueTime":0,"applicationTime":6,"agent":"","atts":""}</script><script type="text/javascript">(window.NREUM||(NREUM={})).init={privacy:{cookies_enabled:true},ajax:{deny_list:["bam.nr-data.net"]},distributed_tracing:{enabled:true}};(window.NREUM||(NREUM={})).loader_config={agentID:"1386013924",accountID:"2851366",trustKey:"1029994",xpid:"Vg4CUFVVDhABV1BRAgUBUFcJ",licenseKey:"NRJS-aaa897feae8feeca979",applicationID:"1313546638"};window.NREUM||(NREUM={}),__nr_require=function(t,e,n){function r(n){if(!e[n]){var o=e[n]={exports:{}};t[n][0].call(o.exports,function(e){var o=t[n][1][e];return r(o||e)},o,o.exports)}return e[n].exports}if("function"==typeof __nr_require)return __nr_require;for(var o=0;o<n.length;o++)r(n[o]);return r}({1:[function(t,e,n){function r(t){try{s.console&&console.log(t)}catch(e){}}var o,i=t("ee"),a=t(31),s={};try{o=localStorage.getItem("__nr_flags").split(","),console&&"function"==typeof console.log&&(s.console=!0,o.indexOf("dev")!==-1&&(s.dev=!0),o.indexOf("nr_dev")!==-1&&(s.nrDev=!0))}catch(c){}s.nrDev&&i.on("internal-error",function(t){r(t.stack)}),s.dev&&i.on("fn-err",function(t,e,n){r(n.stack)}),s.dev&&(r("NR AGENT IN DEVELOPMENT MODE"),r("flags: "+a(s,function(t,e){return t}).join(", ")))},{}],2:[function(t,e,n){function r(t,e,n,r,s){try{l?l-=1:o(s||new UncaughtException(t,e,n),!0)}catch(f){try{i("ierr",[f,c.now(),!0])}catch(d){}}return"function"==typeof u&&u.apply(this,a(arguments))}function UncaughtException(t,e,n){this.message=t||"Uncaught error with no additional information",this.sourceURL=e,this.line=n}function o(t,e){var n=e?null:c.now();i("err",[t,n])}var i=t("handle"),a=t(32),s=t("ee"),c=t("loader"),f=t("gos"),u=window.onerror,d=!1,p="nr@seenError";if(!c.disabled){var l=0;c.features.err=!0,t(1),window.onerror=r;try{throw new Error}catch(h){"stack"in h&&(t(14),t(13),"addEventListener"in window&&t(7),c.xhrWrappable&&t(15),d=!0)}s.on("fn-start",function(t,e,n){d&&(l+=1)}),s.on("fn-err",function(t,e,n){d&&!n[p]&&(f(n,p,function(){return!0}),this.thrown=!0,o(n))}),s.on("fn-end",function(){d&&!this.thrown&&l>0&&(l-=1)}),s.on("internal-error",function(t){i("ierr",[t,c.now(),!0])})}},{}],3:[function(t,e,n){var r=t("loader");r.disabled||(r.features.ins=!0)},{}],4:[function(t,e,n){function r(){U++,L=g.hash,this[u]=y.now()}function o(){U--,g.hash!==L&&i(0,!0);var t=y.now();this[h]=~~this[h]+t-this[u],this[d]=t}function i(t,e){E.emit("newURL",[""+g,e])}function a(t,e){t.on(e,function(){this[e]=y.now()})}var s="-start",c="-end",f="-body",u="fn"+s,d="fn"+c,p="cb"+s,l="cb"+c,h="jsTime",m="fetch",v="addEventListener",w=window,g=w.location,y=t("loader");if(w[v]&&y.xhrWrappable&&!y.disabled){var x=t(11),b=t(12),E=t(9),R=t(7),O=t(14),T=t(8),S=t(15),P=t(10),M=t("ee"),C=M.get("tracer"),N=t(23);t(17),y.features.spa=!0;var L,U=0;M.on(u,r),b.on(p,r),P.on(p,r),M.on(d,o),b.on(l,o),P.on(l,o),M.buffer([u,d,"xhr-resolved"]),R.buffer([u]),O.buffer(["setTimeout"+c,"clearTimeout"+s,u]),S.buffer([u,"new-xhr","send-xhr"+s]),T.buffer([m+s,m+"-done",m+f+s,m+f+c]),E.buffer(["newURL"]),x.buffer([u]),b.buffer(["propagate",p,l,"executor-err","resolve"+s]),C.buffer([u,"no-"+u]),P.buffer(["new-jsonp","cb-start","jsonp-error","jsonp-end"]),a(T,m+s),a(T,m+"-done"),a(P,"new-jsonp"),a(P,"jsonp-end"),a(P,"cb-start"),E.on("pushState-end",i),E.on("replaceState-end",i),w[v]("hashchange",i,N(!0)),w[v]("load",i,N(!0)),w[v]("popstate",function(){i(0,U>1)},N(!0))}},{}],5:[function(t,e,n){function r(){var t=new PerformanceObserver(function(t,e){var n=t.getEntries();s(v,[n])});try{t.observe({entryTypes:["resource"]})}catch(e){}}function o(t){if(s(v,[window.performance.getEntriesByType(w)]),window.performance["c"+p])try{window.performance[h](m,o,!1)}catch(t){}else try{window.performance[h]("webkit"+m,o,!1)}catch(t){}}function i(t){}if(window.performance&&window.performance.timing&&window.performance.getEntriesByType){var a=t("ee"),s=t("handle"),c=t(14),f=t(13),u=t(6),d=t(23),p="learResourceTimings",l="addEventListener",h="removeEventListener",m="resourcetimingbufferfull",v="bstResource",w="resource",g="-start",y="-end",x="fn"+g,b="fn"+y,E="bstTimer",R="pushState",O=t("loader");if(!O.disabled){O.features.stn=!0,t(9),"addEventListener"in window&&t(7);var T=NREUM.o.EV;a.on(x,function(t,e){var n=t[0];n instanceof T&&(this.bstStart=O.now())}),a.on(b,function(t,e){var n=t[0];n instanceof T&&s("bst",[n,e,this.bstStart,O.now()])}),c.on(x,function(t,e,n){this.bstStart=O.now(),this.bstType=n}),c.on(b,function(t,e){s(E,[e,this.bstStart,O.now(),this.bstType])}),f.on(x,function(){this.bstStart=O.now()}),f.on(b,function(t,e){s(E,[e,this.bstStart,O.now(),"requestAnimationFrame"])}),a.on(R+g,function(t){this.time=O.now(),this.startPath=location.pathname+location.hash}),a.on(R+y,function(t){s("bstHist",[location.pathname+location.hash,this.startPath,this.time])}),u()?(s(v,[window.performance.getEntriesByType("resource")]),r()):l in window.performance&&(window.performance["c"+p]?window.performance[l](m,o,d(!1)):window.performance[l]("webkit"+m,o,d(!1))),document[l]("scroll",i,d(!1)),document[l]("keypress",i,d(!1)),document[l]("click",i,d(!1))}}},{}],6:[function(t,e,n){e.exports=function(){return"PerformanceObserver"in window&&"function"==typeof window.PerformanceObserver}},{}],7:[function(t,e,n){function r(t){for(var e=t;e&&!e.hasOwnProperty(u);)e=Object.getPrototypeOf(e);e&&o(e)}function o(t){s.inPlace(t,[u,d],"-",i)}function i(t,e){return t[1]}var a=t("ee").get("events"),s=t("wrap-function")(a,!0),c=t("gos"),f=XMLHttpRequest,u="addEventListener",d="removeEventListener";e.exports=a,"getPrototypeOf"in Object?(r(document),r(window),r(f.prototype)):f.prototype.hasOwnProperty(u)&&(o(window),o(f.prototype)),a.on(u+"-start",function(t,e){var n=t[1];if(null!==n&&("function"==typeof n||"object"==typeof n)){var r=c(n,"nr@wrapped",function(){function t(){if("function"==typeof n.handleEvent)return n.handleEvent.apply(n,arguments)}var e={object:t,"function":n}[typeof n];return e?s(e,"fn-",null,e.name||"anonymous"):n});this.wrapped=t[1]=r}}),a.on(d+"-start",function(t){t[1]=this.wrapped||t[1]})},{}],8:[function(t,e,n){function r(t,e,n){var r=t[e];"function"==typeof r&&(t[e]=function(){var t=i(arguments),e={};o.emit(n+"before-start",[t],e);var a;e[m]&&e[m].dt&&(a=e[m].dt);var s=r.apply(this,t);return o.emit(n+"start",[t,a],s),s.then(function(t){return o.emit(n+"end",[null,t],s),t},function(t){throw o.emit(n+"end",[t],s),t})})}var o=t("ee").get("fetch"),i=t(32),a=t(31);e.exports=o;var s=window,c="fetch-",f=c+"body-",u=["arrayBuffer","blob","json","text","formData"],d=s.Request,p=s.Response,l=s.fetch,h="prototype",m="nr@context";d&&p&&l&&(a(u,function(t,e){r(d[h],e,f),r(p[h],e,f)}),r(s,"fetch",c),o.on(c+"end",function(t,e){var n=this;if(e){var r=e.headers.get("content-length");null!==r&&(n.rxSize=r),o.emit(c+"done",[null,e],n)}else o.emit(c+"done",[t],n)}))},{}],9:[function(t,e,n){var r=t("ee").get("history"),o=t("wrap-function")(r);e.exports=r;var i=window.history&&window.history.constructor&&window.history.constructor.prototype,a=window.history;i&&i.pushState&&i.replaceState&&(a=i),o.inPlace(a,["pushState","replaceState"],"-")},{}],10:[function(t,e,n){function r(t){function e(){f.emit("jsonp-end",[],l),t.removeEventListener("load",e,c(!1)),t.removeEventListener("error",n,c(!1))}function n(){f.emit("jsonp-error",[],l),f.emit("jsonp-end",[],l),t.removeEventListener("load",e,c(!1)),t.removeEventListener("error",n,c(!1))}var r=t&&"string"==typeof t.nodeName&&"script"===t.nodeName.toLowerCase();if(r){var o="function"==typeof t.addEventListener;if(o){var a=i(t.src);if(a){var d=s(a),p="function"==typeof d.parent[d.key];if(p){var l={};u.inPlace(d.parent,[d.key],"cb-",l),t.addEventListener("load",e,c(!1)),t.addEventListener("error",n,c(!1)),f.emit("new-jsonp",[t.src],l)}}}}}function o(){return"addEventListener"in window}function i(t){var e=t.match(d);return e?e[1]:null}function a(t,e){var n=t.match(l),r=n[1],o=n[3];return o?a(o,e[r]):e[r]}function s(t){var e=t.match(p);return e&&e.length>=3?{key:e[2],parent:a(e[1],window)}:{key:t,parent:window}}var c=t(23),f=t("ee").get("jsonp"),u=t("wrap-function")(f);if(e.exports=f,o()){var d=/[?&](?:callback|cb)=([^&#]+)/,p=/(.*)\.([^.]+)/,l=/^(\w+)(\.|$)(.*)$/,h=["appendChild","insertBefore","replaceChild"];Node&&Node.prototype&&Node.prototype.appendChild?u.inPlace(Node.prototype,h,"dom-"):(u.inPlace(HTMLElement.prototype,h,"dom-"),u.inPlace(HTMLHeadElement.prototype,h,"dom-"),u.inPlace(HTMLBodyElement.prototype,h,"dom-")),f.on("dom-start",function(t){r(t[0])})}},{}],11:[function(t,e,n){var r=t("ee").get("mutation"),o=t("wrap-function")(r),i=NREUM.o.MO;e.exports=r,i&&(window.MutationObserver=function(t){return this instanceof i?new i(o(t,"fn-")):i.apply(this,arguments)},MutationObserver.prototype=i.prototype)},{}],12:[function(t,e,n){function r(t){var e=i.context(),n=s(t,"executor-",e,null,!1),r=new f(n);return i.context(r).getCtx=function(){return e},r}var o=t("wrap-function"),i=t("ee").get("promise"),a=t("ee").getOrSetContext,s=o(i),c=t(31),f=NREUM.o.PR;e.exports=i,f&&(window.Promise=r,["all","race"].forEach(function(t){var e=f[t];f[t]=function(n){function r(t){return function(){i.emit("propagate",[null,!o],a,!1,!1),o=o||!t}}var o=!1;c(n,function(e,n){Promise.resolve(n).then(r("all"===t),r(!1))});var a=e.apply(f,arguments),s=f.resolve(a);return s}}),["resolve","reject"].forEach(function(t){var e=f[t];f[t]=function(t){var n=e.apply(f,arguments);return t!==n&&i.emit("propagate",[t,!0],n,!1,!1),n}}),f.prototype["catch"]=function(t){return this.then(null,t)},f.prototype=Object.create(f.prototype,{constructor:{value:r}}),c(Object.getOwnPropertyNames(f),function(t,e){try{r[e]=f[e]}catch(n){}}),o.wrapInPlace(f.prototype,"then",function(t){return function(){var e=this,n=o.argsToArray.apply(this,arguments),r=a(e);r.promise=e,n[0]=s(n[0],"cb-",r,null,!1),n[1]=s(n[1],"cb-",r,null,!1);var c=t.apply(this,n);return r.nextPromise=c,i.emit("propagate",[e,!0],c,!1,!1),c}}),i.on("executor-start",function(t){t[0]=s(t[0],"resolve-",this,null,!1),t[1]=s(t[1],"resolve-",this,null,!1)}),i.on("executor-err",function(t,e,n){t[1](n)}),i.on("cb-end",function(t,e,n){i.emit("propagate",[n,!0],this.nextPromise,!1,!1)}),i.on("propagate",function(t,e,n){this.getCtx&&!e||(this.getCtx=function(){if(t instanceof Promise)var e=i.context(t);return e&&e.getCtx?e.getCtx():this})}),r.toString=function(){return""+f})},{}],13:[function(t,e,n){var r=t("ee").get("raf"),o=t("wrap-function")(r),i="equestAnimationFrame";e.exports=r,o.inPlace(window,["r"+i,"mozR"+i,"webkitR"+i,"msR"+i],"raf-"),r.on("raf-start",function(t){t[0]=o(t[0],"fn-")})},{}],14:[function(t,e,n){function r(t,e,n){t[0]=a(t[0],"fn-",null,n)}function o(t,e,n){this.method=n,this.timerDuration=isNaN(t[1])?0:+t[1],t[0]=a(t[0],"fn-",this,n)}var i=t("ee").get("timer"),a=t("wrap-function")(i),s="setTimeout",c="setInterval",f="clearTimeout",u="-start",d="-";e.exports=i,a.inPlace(window,[s,"setImmediate"],s+d),a.inPlace(window,[c],c+d),a.inPlace(window,[f,"clearImmediate"],f+d),i.on(c+u,r),i.on(s+u,o)},{}],15:[function(t,e,n){function r(t,e){d.inPlace(e,["onreadystatechange"],"fn-",s)}function o(){var t=this,e=u.context(t);t.readyState>3&&!e.resolved&&(e.resolved=!0,u.emit("xhr-resolved",[],t)),d.inPlace(t,y,"fn-",s)}function i(t){x.push(t),m&&(E?E.then(a):w?w(a):(R=-R,O.data=R))}function a(){for(var t=0;t<x.length;t++)r([],x[t]);x.length&&(x=[])}function s(t,e){return e}function c(t,e){for(var n in t)e[n]=t[n];return e}t(7);var f=t("ee"),u=f.get("xhr"),d=t("wrap-function")(u),p=t(23),l=NREUM.o,h=l.XHR,m=l.MO,v=l.PR,w=l.SI,g="readystatechange",y=["onload","onerror","onabort","onloadstart","onloadend","onprogress","ontimeout"],x=[];e.exports=u;var b=window.XMLHttpRequest=function(t){var e=new h(t);try{u.emit("new-xhr",[e],e),e.addEventListener(g,o,p(!1))}catch(n){try{u.emit("internal-error",[n])}catch(r){}}return e};if(c(h,b),b.prototype=h.prototype,d.inPlace(b.prototype,["open","send"],"-xhr-",s),u.on("send-xhr-start",function(t,e){r(t,e),i(e)}),u.on("open-xhr-start",r),m){var E=v&&v.resolve();if(!w&&!v){var R=1,O=document.createTextNode(R);new m(a).observe(O,{characterData:!0})}}else f.on("fn-end",function(t){t[0]&&t[0].type===g||a()})},{}],16:[function(t,e,n){function r(t){if(!s(t))return null;var e=window.NREUM;if(!e.loader_config)return null;var n=(e.loader_config.accountID||"").toString()||null,r=(e.loader_config.agentID||"").toString()||null,f=(e.loader_config.trustKey||"").toString()||null;if(!n||!r)return null;var h=l.generateSpanId(),m=l.generateTraceId(),v=Date.now(),w={spanId:h,traceId:m,timestamp:v};return(t.sameOrigin||c(t)&&p())&&(w.traceContextParentHeader=o(h,m),w.traceContextStateHeader=i(h,v,n,r,f)),(t.sameOrigin&&!u()||!t.sameOrigin&&c(t)&&d())&&(w.newrelicHeader=a(h,m,v,n,r,f)),w}function o(t,e){return"00-"+e+"-"+t+"-01"}function i(t,e,n,r,o){var i=0,a="",s=1,c="",f="";return o+"@nr="+i+"-"+s+"-"+n+"-"+r+"-"+t+"-"+a+"-"+c+"-"+f+"-"+e}function a(t,e,n,r,o,i){var a="btoa"in window&&"function"==typeof window.btoa;if(!a)return null;var s={v:[0,1],d:{ty:"Browser",ac:r,ap:o,id:t,tr:e,ti:n}};return i&&r!==i&&(s.d.tk=i),btoa(JSON.stringify(s))}function s(t){return f()&&c(t)}function c(t){var e=!1,n={};if("init"in NREUM&&"distributed_tracing"in NREUM.init&&(n=NREUM.init.distributed_tracing),t.sameOrigin)e=!0;else if(n.allowed_origins instanceof Array)for(var r=0;r<n.allowed_origins.length;r++){var o=h(n.allowed_origins[r]);if(t.hostname===o.hostname&&t.protocol===o.protocol&&t.port===o.port){e=!0;break}}return e}function f(){return"init"in NREUM&&"distributed_tracing"in NREUM.init&&!!NREUM.init.distributed_tracing.enabled}function u(){return"init"in NREUM&&"distributed_tracing"in NREUM.init&&!!NREUM.init.distributed_tracing.exclude_newrelic_header}function d(){return"init"in NREUM&&"distributed_tracing"in NREUM.init&&NREUM.init.distributed_tracing.cors_use_newrelic_header!==!1}function p(){return"init"in NREUM&&"distributed_tracing"in NREUM.init&&!!NREUM.init.distributed_tracing.cors_use_tracecontext_headers}var l=t(28),h=t(18);e.exports={generateTracePayload:r,shouldGenerateTrace:s}},{}],17:[function(t,e,n){function r(t){var e=this.params,n=this.metrics;if(!this.ended){this.ended=!0;for(var r=0;r<p;r++)t.removeEventListener(d[r],this.listener,!1);return e.protocol&&"data"===e.protocol?void g("Ajax/DataUrl/Excluded"):void(e.aborted||(n.duration=a.now()-this.startTime,this.loadCaptureCalled||4!==t.readyState?null==e.status&&(e.status=0):i(this,t),n.cbTime=this.cbTime,s("xhr",[e,n,this.startTime,this.endTime,"xhr"],this)))}}function o(t,e){var n=c(e),r=t.params;r.hostname=n.hostname,r.port=n.port,r.protocol=n.protocol,r.host=n.hostname+":"+n.port,r.pathname=n.pathname,t.parsedOrigin=n,t.sameOrigin=n.sameOrigin}function i(t,e){t.params.status=e.status;var n=v(e,t.lastSize);if(n&&(t.metrics.rxSize=n),t.sameOrigin){var r=e.getResponseHeader("X-NewRelic-App-Data");r&&(t.params.cat=r.split(", ").pop())}t.loadCaptureCalled=!0}var a=t("loader");if(a.xhrWrappable&&!a.disabled){var s=t("handle"),c=t(18),f=t(16).generateTracePayload,u=t("ee"),d=["load","error","abort","timeout"],p=d.length,l=t("id"),h=t(24),m=t(22),v=t(19),w=t(23),g=t(25).recordSupportability,y=NREUM.o.REQ,x=window.XMLHttpRequest;a.features.xhr=!0,t(15),t(8),u.on("new-xhr",function(t){var e=this;e.totalCbs=0,e.called=0,e.cbTime=0,e.end=r,e.ended=!1,e.xhrGuids={},e.lastSize=null,e.loadCaptureCalled=!1,e.params=this.params||{},e.metrics=this.metrics||{},t.addEventListener("load",function(n){i(e,t)},w(!1)),h&&(h>34||h<10)||t.addEventListener("progress",function(t){e.lastSize=t.loaded},w(!1))}),u.on("open-xhr-start",function(t){this.params={method:t[0]},o(this,t[1]),this.metrics={}}),u.on("open-xhr-end",function(t,e){"loader_config"in NREUM&&"xpid"in NREUM.loader_config&&this.sameOrigin&&e.setRequestHeader("X-NewRelic-ID",NREUM.loader_config.xpid);var n=f(this.parsedOrigin);if(n){var r=!1;n.newrelicHeader&&(e.setRequestHeader("newrelic",n.newrelicHeader),r=!0),n.traceContextParentHeader&&(e.setRequestHeader("traceparent",n.traceContextParentHeader),n.traceContextStateHeader&&e.setRequestHeader("tracestate",n.traceContextStateHeader),r=!0),r&&(this.dt=n)}}),u.on("send-xhr-start",function(t,e){var n=this.metrics,r=t[0],o=this;if(n&&r){var i=m(r);i&&(n.txSize=i)}this.startTime=a.now(),this.listener=function(t){try{"abort"!==t.type||o.loadCaptureCalled||(o.params.aborted=!0),("load"!==t.type||o.called===o.totalCbs&&(o.onloadCalled||"function"!=typeof e.onload))&&o.end(e)}catch(n){try{u.emit("internal-error",[n])}catch(r){}}};for(var s=0;s<p;s++)e.addEventListener(d[s],this.listener,w(!1))}),u.on("xhr-cb-time",function(t,e,n){this.cbTime+=t,e?this.onloadCalled=!0:this.called+=1,this.called!==this.totalCbs||!this.onloadCalled&&"function"==typeof n.onload||this.end(n)}),u.on("xhr-load-added",function(t,e){var n=""+l(t)+!!e;this.xhrGuids&&!this.xhrGuids[n]&&(this.xhrGuids[n]=!0,this.totalCbs+=1)}),u.on("xhr-load-removed",function(t,e){var n=""+l(t)+!!e;this.xhrGuids&&this.xhrGuids[n]&&(delete this.xhrGuids[n],this.totalCbs-=1)}),u.on("xhr-resolved",function(){this.endTime=a.now()}),u.on("addEventListener-end",function(t,e){e instanceof x&&"load"===t[0]&&u.emit("xhr-load-added",[t[1],t[2]],e)}),u.on("removeEventListener-end",function(t,e){e instanceof x&&"load"===t[0]&&u.emit("xhr-load-removed",[t[1],t[2]],e)}),u.on("fn-start",function(t,e,n){e instanceof x&&("onload"===n&&(this.onload=!0),("load"===(t[0]&&t[0].type)||this.onload)&&(this.xhrCbStart=a.now()))}),u.on("fn-end",function(t,e){this.xhrCbStart&&u.emit("xhr-cb-time",[a.now()-this.xhrCbStart,this.onload,e],e)}),u.on("fetch-before-start",function(t){function e(t,e){var n=!1;return e.newrelicHeader&&(t.set("newrelic",e.newrelicHeader),n=!0),e.traceContextParentHeader&&(t.set("traceparent",e.traceContextParentHeader),e.traceContextStateHeader&&t.set("tracestate",e.traceContextStateHeader),n=!0),n}var n,r=t[1]||{};"string"==typeof t[0]?n=t[0]:t[0]&&t[0].url?n=t[0].url:window.URL&&t[0]&&t[0]instanceof URL&&(n=t[0].href),n&&(this.parsedOrigin=c(n),this.sameOrigin=this.parsedOrigin.sameOrigin);var o=f(this.parsedOrigin);if(o&&(o.newrelicHeader||o.traceContextParentHeader))if("string"==typeof t[0]||window.URL&&t[0]&&t[0]instanceof URL){var i={};for(var a in r)i[a]=r[a];i.headers=new Headers(r.headers||{}),e(i.headers,o)&&(this.dt=o),t.length>1?t[1]=i:t.push(i)}else t[0]&&t[0].headers&&e(t[0].headers,o)&&(this.dt=o)}),u.on("fetch-start",function(t,e){this.params={},this.metrics={},this.startTime=a.now(),this.dt=e,t.length>=1&&(this.target=t[0]),t.length>=2&&(this.opts=t[1]);var n,r=this.opts||{},i=this.target;if("string"==typeof i?n=i:"object"==typeof i&&i instanceof y?n=i.url:window.URL&&"object"==typeof i&&i instanceof URL&&(n=i.href),o(this,n),"data"!==this.params.protocol){var s=(""+(i&&i instanceof y&&i.method||r.method||"GET")).toUpperCase();this.params.method=s,this.txSize=m(r.body)||0}}),u.on("fetch-done",function(t,e){if(this.endTime=a.now(),this.params||(this.params={}),"data"===this.params.protocol)return void g("Ajax/DataUrl/Excluded");this.params.status=e?e.status:0;var n;"string"==typeof this.rxSize&&this.rxSize.length>0&&(n=+this.rxSize);var r={txSize:this.txSize,rxSize:n,duration:a.now()-this.startTime};s("xhr",[this.params,r,this.startTime,this.endTime,"fetch"],this)})}},{}],18:[function(t,e,n){var r={};e.exports=function(t){if(t in r)return r[t];if(0===(t||"").indexOf("data:"))return{protocol:"data"};var e=document.createElement("a"),n=window.location,o={};e.href=t,o.port=e.port;var i=e.href.split("://");!o.port&&i[1]&&(o.port=i[1].split("/")[0].split("@").pop().split(":")[1]),o.port&&"0"!==o.port||(o.port="https"===i[0]?"443":"80"),o.hostname=e.hostname||n.hostname,o.pathname=e.pathname,o.protocol=i[0],"/"!==o.pathname.charAt(0)&&(o.pathname="/"+o.pathname);var a=!e.protocol||":"===e.protocol||e.protocol===n.protocol,s=e.hostname===document.domain&&e.port===n.port;return o.sameOrigin=a&&(!e.hostname||s),"/"===o.pathname&&(r[t]=o),o}},{}],19:[function(t,e,n){function r(t,e){var n=t.responseType;return"json"===n&&null!==e?e:"arraybuffer"===n||"blob"===n||"json"===n?o(t.response):"text"===n||""===n||void 0===n?o(t.responseText):void 0}var o=t(22);e.exports=r},{}],20:[function(t,e,n){function r(){}function o(t,e,n,r){return function(){return u.recordSupportability("API/"+e+"/called"),i(t+e,[f.now()].concat(s(arguments)),n?null:this,r),n?void 0:this}}var i=t("handle"),a=t(31),s=t(32),c=t("ee").get("tracer"),f=t("loader"),u=t(25),d=NREUM;"undefined"==typeof window.newrelic&&(newrelic=d);var p=["setPageViewName","setCustomAttribute","setErrorHandler","finished","addToTrace","inlineHit","addRelease"],l="api-",h=l+"ixn-";a(p,function(t,e){d[e]=o(l,e,!0,"api")}),d.addPageAction=o(l,"addPageAction",!0),d.setCurrentRouteName=o(l,"routeName",!0),e.exports=newrelic,d.interaction=function(){return(new r).get()};var m=r.prototype={createTracer:function(t,e){var n={},r=this,o="function"==typeof e;return i(h+"tracer",[f.now(),t,n],r),function(){if(c.emit((o?"":"no-")+"fn-start",[f.now(),r,o],n),o)try{return e.apply(this,arguments)}catch(t){throw c.emit("fn-err",[arguments,this,t],n),t}finally{c.emit("fn-end",[f.now()],n)}}}};a("actionText,setName,setAttribute,save,ignore,onEnd,getContext,end,get".split(","),function(t,e){m[e]=o(h,e)}),newrelic.noticeError=function(t,e){"string"==typeof t&&(t=new Error(t)),u.recordSupportability("API/noticeError/called"),i("err",[t,f.now(),!1,e])}},{}],21:[function(t,e,n){function r(t){if(NREUM.init){for(var e=NREUM.init,n=t.split("."),r=0;r<n.length-1;r++)if(e=e[n[r]],"object"!=typeof e)return;return e=e[n[n.length-1]]}}e.exports={getConfiguration:r}},{}],22:[function(t,e,n){e.exports=function(t){if("string"==typeof t&&t.length)return t.length;if("object"==typeof t){if("undefined"!=typeof ArrayBuffer&&t instanceof ArrayBuffer&&t.byteLength)return t.byteLength;if("undefined"!=typeof Blob&&t instanceof Blob&&t.size)return t.size;if(!("undefined"!=typeof FormData&&t instanceof FormData))try{return JSON.stringify(t).length}catch(e){return}}}},{}],23:[function(t,e,n){var r=!1;try{var o=Object.defineProperty({},"passive",{get:function(){r=!0}});window.addEventListener("testPassive",null,o),window.removeEventListener("testPassive",null,o)}catch(i){}e.exports=function(t){return r?{passive:!0,capture:!!t}:!!t}},{}],24:[function(t,e,n){var r=0,o=navigator.userAgent.match(/Firefox[\/\s](\d+\.\d+)/);o&&(r=+o[1]),e.exports=r},{}],25:[function(t,e,n){function r(t,e){var n=[a,t,{name:t},e];return i("storeMetric",n,null,"api"),n}function o(t,e){var n=[s,t,{name:t},e];return i("storeEventMetrics",n,null,"api"),n}var i=t("handle"),a="sm",s="cm";e.exports={constants:{SUPPORTABILITY_METRIC:a,CUSTOM_METRIC:s},recordSupportability:r,recordCustom:o}},{}],26:[function(t,e,n){function r(){return s.exists&&performance.now?Math.round(performance.now()):(i=Math.max((new Date).getTime(),i))-a}function o(){return i}var i=(new Date).getTime(),a=i,s=t(33);e.exports=r,e.exports.offset=a,e.exports.getLastTimestamp=o},{}],27:[function(t,e,n){function r(t,e){var n=t.getEntries();n.forEach(function(t){"first-paint"===t.name?l("timing",["fp",Math.floor(t.startTime)]):"first-contentful-paint"===t.name&&l("timing",["fcp",Math.floor(t.startTime)])})}function o(t,e){var n=t.getEntries();if(n.length>0){var r=n[n.length-1];if(f&&f<r.startTime)return;var o=[r],i=a({});i&&o.push(i),l("lcp",o)}}function i(t){t.getEntries().forEach(function(t){t.hadRecentInput||l("cls",[t])})}function a(t){var e=navigator.connection||navigator.mozConnection||navigator.webkitConnection;if(e)return e.type&&(t["net-type"]=e.type),e.effectiveType&&(t["net-etype"]=e.effectiveType),e.rtt&&(t["net-rtt"]=e.rtt),e.downlink&&(t["net-dlink"]=e.downlink),t}function s(t){if(t instanceof w&&!y){var e=Math.round(t.timeStamp),n={type:t.type};a(n),e<=h.now()?n.fid=h.now()-e:e>h.offset&&e<=Date.now()?(e-=h.offset,n.fid=h.now()-e):e=h.now(),y=!0,l("timing",["fi",e,n])}}function c(t){"hidden"===t&&(f=h.now(),l("pageHide",[f]))}if(!("init"in NREUM&&"page_view_timing"in NREUM.init&&"enabled"in NREUM.init.page_view_timing&&NREUM.init.page_view_timing.enabled===!1)){var f,u,d,p,l=t("handle"),h=t("loader"),m=t(30),v=t(23),w=NREUM.o.EV;if("PerformanceObserver"in window&&"function"==typeof window.PerformanceObserver){u=new PerformanceObserver(r);try{u.observe({entryTypes:["paint"]})}catch(g){}d=new PerformanceObserver(o);try{d.observe({entryTypes:["largest-contentful-paint"]})}catch(g){}p=new PerformanceObserver(i);try{p.observe({type:"layout-shift",buffered:!0})}catch(g){}}if("addEventListener"in document){var y=!1,x=["click","keydown","mousedown","pointerdown","touchstart"];x.forEach(function(t){document.addEventListener(t,s,v(!1))})}m(c)}},{}],28:[function(t,e,n){function r(){function t(){return e?15&e[n++]:16*Math.random()|0}var e=null,n=0,r=window.crypto||window.msCrypto;r&&r.getRandomValues&&(e=r.getRandomValues(new Uint8Array(31)));for(var o,i="xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx",a="",s=0;s<i.length;s++)o=i[s],"x"===o?a+=t().toString(16):"y"===o?(o=3&t()|8,a+=o.toString(16)):a+=o;return a}function o(){return a(16)}function i(){return a(32)}function a(t){function e(){return n?15&n[r++]:16*Math.random()|0}var n=null,r=0,o=window.crypto||window.msCrypto;o&&o.getRandomValues&&Uint8Array&&(n=o.getRandomValues(new Uint8Array(t)));for(var i=[],a=0;a<t;a++)i.push(e().toString(16));return i.join("")}e.exports={generateUuid:r,generateSpanId:o,generateTraceId:i}},{}],29:[function(t,e,n){function r(t,e){if(!o)return!1;if(t!==o)return!1;if(!e)return!0;if(!i)return!1;for(var n=i.split("."),r=e.split("."),a=0;a<r.length;a++)if(r[a]!==n[a])return!1;return!0}var o=null,i=null,a=/Version\/(\S+)\s+Safari/;if(navigator.userAgent){var s=navigator.userAgent,c=s.match(a);c&&s.indexOf("Chrome")===-1&&s.indexOf("Chromium")===-1&&(o="Safari",i=c[1])}e.exports={agent:o,version:i,match:r}},{}],30:[function(t,e,n){function r(t){function e(){t(s&&document[s]?document[s]:document[i]?"hidden":"visible")}"addEventListener"in document&&a&&document.addEventListener(a,e,o(!1))}var o=t(23);e.exports=r;var i,a,s;"undefined"!=typeof document.hidden?(i="hidden",a="visibilitychange",s="visibilityState"):"undefined"!=typeof document.msHidden?(i="msHidden",a="msvisibilitychange"):"undefined"!=typeof document.webkitHidden&&(i="webkitHidden",a="webkitvisibilitychange",s="webkitVisibilityState")},{}],31:[function(t,e,n){function r(t,e){var n=[],r="",i=0;for(r in t)o.call(t,r)&&(n[i]=e(r,t[r]),i+=1);return n}var o=Object.prototype.hasOwnProperty;e.exports=r},{}],32:[function(t,e,n){function r(t,e,n){e||(e=0),"undefined"==typeof n&&(n=t?t.length:0);for(var r=-1,o=n-e||0,i=Array(o<0?0:o);++r<o;)i[r]=t[e+r];return i}e.exports=r},{}],33:[function(t,e,n){e.exports={exists:"undefined"!=typeof window.performance&&window.performance.timing&&"undefined"!=typeof window.performance.timing.navigationStart}},{}],ee:[function(t,e,n){function r(){}function o(t){function e(t){return t&&t instanceof r?t:t?f(t,c,a):a()}function n(n,r,o,i,a){if(a!==!1&&(a=!0),!l.aborted||i){t&&a&&t(n,r,o);for(var s=e(o),c=m(n),f=c.length,u=0;u<f;u++)c[u].apply(s,r);var p=d[y[n]];return p&&p.push([x,n,r,s]),s}}function i(t,e){g[t]=m(t).concat(e)}function h(t,e){var n=g[t];if(n)for(var r=0;r<n.length;r++)n[r]===e&&n.splice(r,1)}function m(t){return g[t]||[]}function v(t){return p[t]=p[t]||o(n)}function w(t,e){l.aborted||u(t,function(t,n){e=e||"feature",y[n]=e,e in d||(d[e]=[])})}var g={},y={},x={on:i,addEventListener:i,removeEventListener:h,emit:n,get:v,listeners:m,context:e,buffer:w,abort:s,aborted:!1};return x}function i(t){return f(t,c,a)}function a(){return new r}function s(){(d.api||d.feature)&&(l.aborted=!0,d=l.backlog={})}var c="nr@context",f=t("gos"),u=t(31),d={},p={},l=e.exports=o();e.exports.getOrSetContext=i,l.backlog=d},{}],gos:[function(t,e,n){function r(t,e,n){if(o.call(t,e))return t[e];var r=n();if(Object.defineProperty&&Object.keys)try{return Object.defineProperty(t,e,{value:r,writable:!0,enumerable:!1}),r}catch(i){}return t[e]=r,r}var o=Object.prototype.hasOwnProperty;e.exports=r},{}],handle:[function(t,e,n){function r(t,e,n,r){o.buffer([t],r),o.emit(t,e,n)}var o=t("ee").get("handle");e.exports=r,r.ee=o},{}],id:[function(t,e,n){function r(t){var e=typeof t;return!t||"object"!==e&&"function"!==e?-1:t===window?0:a(t,i,function(){return o++})}var o=1,i="nr@id",a=t("gos");e.exports=r},{}],loader:[function(t,e,n){function r(){if(!T++){var t=O.info=NREUM.info,e=m.getElementsByTagName("script")[0];if(setTimeout(f.abort,3e4),!(t&&t.licenseKey&&t.applicationID&&e))return f.abort();c(E,function(e,n){t[e]||(t[e]=n)});var n=a();s("mark",["onload",n+O.offset],null,"api"),s("timing",["load",n]);var r=m.createElement("script");0===t.agent.indexOf("http://")||0===t.agent.indexOf("https://")?r.src=t.agent:r.src=l+"://"+t.agent,e.parentNode.insertBefore(r,e)}}function o(){"complete"===m.readyState&&i()}function i(){s("mark",["domContent",a()+O.offset],null,"api")}var a=t(26),s=t("handle"),c=t(31),f=t("ee"),u=t(29),d=t(21),p=t(23),l=d.getConfiguration("ssl")===!1?"http":"https",h=window,m=h.document,v="addEventListener",w="attachEvent",g=h.XMLHttpRequest,y=g&&g.prototype,x=!1;NREUM.o={ST:setTimeout,SI:h.setImmediate,CT:clearTimeout,XHR:g,REQ:h.Request,EV:h.Event,PR:h.Promise,MO:h.MutationObserver};var b=""+location,E={beacon:"bam.nr-data.net",errorBeacon:"bam.nr-data.net",agent:"js-agent.newrelic.com/nr-spa-1216.min.js"},R=g&&y&&y[v]&&!/CriOS/.test(navigator.userAgent),O=e.exports={offset:a.getLastTimestamp(),now:a,origin:b,features:{},xhrWrappable:R,userAgent:u,disabled:x};if(!x){t(20),t(27),m[v]?(m[v]("DOMContentLoaded",i,p(!1)),h[v]("load",r,p(!1))):(m[w]("onreadystatechange",o),h[w]("onload",r)),s("mark",["firstbyte",a.getLastTimestamp()],null,"api");var T=0}},{}],"wrap-function":[function(t,e,n){function r(t,e){function n(e,n,r,c,f){function nrWrapper(){var i,a,u,p;try{a=this,i=d(arguments),u="function"==typeof r?r(i,a):r||{}}catch(l){o([l,"",[i,a,c],u],t)}s(n+"start",[i,a,c],u,f);try{return p=e.apply(a,i)}catch(h){throw s(n+"err",[i,a,h],u,f),h}finally{s(n+"end",[i,a,p],u,f)}}return a(e)?e:(n||(n=""),nrWrapper[p]=e,i(e,nrWrapper,t),nrWrapper)}function r(t,e,r,o,i){r||(r="");var s,c,f,u="-"===r.charAt(0);for(f=0;f<e.length;f++)c=e[f],s=t[c],a(s)||(t[c]=n(s,u?c+r:r,o,c,i))}function s(n,r,i,a){if(!h||e){var s=h;h=!0;try{t.emit(n,r,i,e,a)}catch(c){o([c,n,r,i],t)}h=s}}return t||(t=u),n.inPlace=r,n.flag=p,n}function o(t,e){e||(e=u);try{e.emit("internal-error",t)}catch(n){}}function i(t,e,n){if(Object.defineProperty&&Object.keys)try{var r=Object.keys(t);return r.forEach(function(n){Object.defineProperty(e,n,{get:function(){return t[n]},set:function(e){return t[n]=e,e}})}),e}catch(i){o([i],n)}for(var a in t)l.call(t,a)&&(e[a]=t[a]);return e}function a(t){return!(t&&t instanceof Function&&t.apply&&!t[p])}function s(t,e){var n=e(t);return n[p]=t,i(t,n,u),n}function c(t,e,n){var r=t[e];t[e]=s(r,n)}function f(){for(var t=arguments.length,e=new Array(t),n=0;n<t;++n)e[n]=arguments[n];return e}var u=t("ee"),d=t(32),p="nr@original",l=Object.prototype.hasOwnProperty,h=!1;e.exports=r,e.exports.wrapFunction=s,e.exports.wrapInPlace=c,e.exports.argsToArray=f},{}]},{},["loader",2,17,5,3,4]);</script> <meta name="viewport" content="width=device-width, initial-scale=1" /> <meta name="format-detection" content="telephone=no" /> <link rel="dns-prefetch" href="//www.rsc-cdn.org"> <link rel="dns-prefetch" href="//www.googletagmanager.com"> <link rel="dns-prefetch" href="//www.google-analytics.com"> <link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png"> <link rel="icon" type="image/png" sizes="32x32" href="/favicon-32x32.png"> <link rel="icon" type="image/png" sizes="16x16" href="/favicon-16x16.png"> <link rel="manifest" href="/site.webmanifest"> <link rel="mask-icon" href="/safari-pinned-tab.svg" color="#5bbad5"> <meta name="msapplication-TileColor" content="#2d89ef"> <meta name="theme-color" content="#ffffff"> <!--[if lt IE 9 ]> <script> document.createElement('header'); document.createElement('nav'); document.createElement('section'); document.createElement('article'); document.createElement('aside'); document.createElement('footer'); </script> <![endif]--> <link href="https://www.rsc-cdn.org/oxygen/assets/webfonts/fonts.min.css" rel="stylesheet" type="text/css" /> <link href="https://www.rsc-cdn.org/pubs-core/2022.0.159/content/stylesheets/pubs-ui.min.css" rel="stylesheet" type="text/css" /> <link rel="canonical" href="https://pubs.rsc.org" /> <meta name="description" content="This platform provides access to journals, books and databases from RSC Publishing, linking over 1 million chemical science articles and chapters. You can access the latest research of interest using the custom eAlerts, RSS feeds and blogs or you can explore content using the quick and advanced searches. Discover the highest quality integrated scientific research today - search faster, navigate smarter and connect more." /> <meta name="fragment" content="!" /> <!-- OneTrust Cookies Consent Notice start for pubs.rsc.org --> <script type="text/javascript" src="https://cdn-ukwest.onetrust.com/consent/4858ece2-d985-4da2-982d-42219fead606/OtAutoBlock.js"></script> <script src="https://cdn-ukwest.onetrust.com/scripttemplates/otSDKStub.js" type="text/javascript" charset="UTF-8" data-domain-script="4858ece2-d985-4da2-982d-42219fead606"></script> <script type="text/javascript"> function OptanonWrapper() { } </script> <!-- OneTrust Cookies Consent Notice end for pubs.rsc.org --> <!-- Google Tag Manager --> <script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start': new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0], j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src= 'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f); })(window,document,'script','dataLayer','GTM-5HVSFVCN');</script> <!-- End Google Tag Manager --> </head> <body id="pagetop" class="oxy-ui pubs-ui "> <!-- Google Tag Manager (noscript) --> <noscript> <iframe src="//www.googletagmanager.com/ns.html?id=GTM-5HVSFVCN" height="0" width="0" style="display:none;visibility:hidden"></iframe> </noscript> <!-- End Google Tag Manager (noscript) --> <div data-id="pnlAccSkipLinks" class="skipto-control"> <a href="#maincontent" class="skipto__link"> <div class="viewport r-gutter"> Jump to main content <img src="https://www.rsc-cdn.org/oxygen/assets/icons/arrow-right-o-light.png" width="24" class="ver-m" alt=""> </div> </a> <a href="#SearchText" class="skipto__link"> <div class="viewport r-gutter"> Jump to site search <img src="https://www.rsc-cdn.org/oxygen/assets/icons/arrow-right-o-light.png" width="24" class="ver-m" alt=""> </div> </a> </div> <header role="banner" data-id="pnlGlobalHeader" class="pubs-header"> <div class="viewport"> <div class="pubs-header__wrapper"> <div class="pubs-header__cell pubs-header__cell--menu"> <a href="#" role="button" id="btnHamburgerMainNav" class="pubs-header__btn pubs-header__btn--open" aria-label="Open site menu"><img src="https://www.rsc-cdn.org/oxygen/assets/icons/menu-light.png" width="24" alt=""></a> </div> <div class="pubs-header__cell pubs-header__cell--home"> <a href="/" class="pubs-header__link pubs-header__link--home" title="Publishing home page" aria-label="Publishing home page">Publishing</a> </div> <div class="pubs-header__cell pubs-header__cell--nav"> <nav class="pubs-header__nav"> <ul> <li class="pubs-header__nav-item"><a href="/en/journals?key=title&amp;value=current" class="pubs-header__link" target="_self">Journals</a></li> <li class="pubs-header__nav-item"><a href="https://books.rsc.org/books/search-results?fl_SiteID=5&amp;page=1&amp;f_ContentType=Book&amp;sort=Date+-+Newest+First" class="pubs-header__link" target="_blank">Books</a></li> <li class="pubs-header__nav-item"><a href="https://www.rsc.org/journals-books-databases/databases-literature-updates/" class="pubs-header__link" target="_blank">Databases</a></li> </ul> </nav> </div> <div class="pubs-header__cell pubs-header__cell--search-mobile"> <a href="#" class="pubs-header__btn" aria-label="Search" id="mobileSearchTrigger"><img src="https://www.rsc-cdn.org/oxygen/assets/icons/search-light.png" width="24" alt="" id="mobileSearchIcon"></a> </div> <div class="pubs-header__cell pubs-header__cell--search"> <div class="pubs-search-control"> <form action="/en/results" aria-label="Sitewide" id="SimpleSearch-form" method="post" role="search"> <label for="SearchText" class="sr-only">Search</label> <input autocomplete="off" class="pubs-search__input" id="SearchText" name="SearchText" type="search" value="" /> <div class="pubs-search__actions"> <button class="input__search-submit" type="submit" aria-label="Search" id="btnNavSearchInput"><img src="https://www.rsc-cdn.org/oxygen/assets/icons/arrow-right.png" width="32" alt=""></button> <a class="pubs-search__adv-link" href="/en/search/advancedsearch" aria-label="Advanced search" id="advancedLink">Advanced</a> </div> <span class="pubs-search__icon"></span> </form> </div> </div> <div class="pubs-header__cell pubs-header__cell--login"> <a href="/en/account/logon" class="pubs-header__btn" aria-label="Log in or register"><img src="https://www.rsc-cdn.org/oxygen/assets/icons/user-light.png" width="24" alt="" id="userIcon"></a> </div> <div class="pubs-header__cell pubs-header__cell--trolley"> <a href="https://www.rsc.org/basket/shoppingcart/orderitems?returnurl=https://pubs.rsc.org/en/content/cookies" class="pubs-header__btn" aria-label="View your basket"><img src="https://www.rsc-cdn.org/oxygen/assets/icons/trolley-light.png" width="24" alt="" id="trolleyIcon"></a> <span class="badge badge--count" style="display: none;"></span> </div> <div class="pubs-header__cell pubs-header__cell--logo"> <a href="https://www.rsc.org" class=""><img src="https://www.rsc-cdn.org/pubs-core/2022.0.159/content/NewImages/rsc-logo-rev-pubs.svg" height="40" alt="Royal Society of Chemistry homepage"></a> </div> </div> </div> <div class="mobile-search" id="mobileSearchPanel"> <div class="viewport"> <div class=""> <div class="autopad--h fixpadt--l"> <form action="/en/results" aria-label="Sitewide" id="SimpleSearch-formMobile" method="post" role="search"> <label for="SearchTextMobile" class="sr-only">Search</label> <div class="input__search"> <i class="icon--search"></i> <input autocomplete="off" placeholder="Search term, doi, title, author" type="search" class="input__field input__field--basic input__label--block" id="SearchTextMobile" name="SearchText"> <button class="input__search-submit" name="search" type="submit" aria-label="Search"> <img src="https://www.rsc-cdn.org/oxygen/assets/icons/arrow-right.png" width="32" alt="" class="input__submit-icon"> </button> </div> <div class="input--error" id="errSimpleSearchMobileText">You must enter a search term</div> <div class="fixpadv--m"> <a class="pubs-search__adv-link " href="/en/search/advancedsearch" aria-label="Advanced search" id="advancedLink">Advanced search</a> </div> </form> </div> </div> </div> </div> <div class="auth-header" data-id="pnlAuthHeader"> <div data-id="pnlSignIn"></div> <div class="viewport"> <div class="auth-header__institute-access"> <div class="auth-header__institute-messaging"> <span id="divWelcomeUser"></span> </div> </div> </div> </div> </header> <main role="main"> <div class="page-head page-head--std"> <div class="viewport"> <div class="page-head__wrapper"> <div class="page-head__cell page-head__cell--info page-head__vcenter"> <h1 class="page-head__title page-head__vcenter"> <span class="page-head__context">The Royal Society of Chemistry&rsquo;s</span> <span>Cookies</span> </h1> </div> </div> </div> </div> <noscript> <div class="viewport autopad--h fixpadb--m"> <div class="plate plate--warning"> You do not have JavaScript enabled. Please enable JavaScript to access the full features of the site or access our <a href="/en/home/nonjavascriptversion">non-JavaScript page</a>. </div> </div> </noscript> <div id="maincontent"> <div id="a11y-announcer" class="sr-only" aria-live="assertive" aria-atomic="true"></div> <div class="viewport"> <div class="layout-control"> <div class="layout__panel layout__panel--100 layout__panel--filled"> <section class="layout__content"> <div class="fixpadv--m autopad--h"> <h2>How we use cookies</h2> <p>This website uses cookies and similar technologies to store and retrieve information about your use of this website. This information helps us to provide, analyse and improve our services, which may include personalised content or advertising. We may share this information with Google and other third parties. Some cookies are necessary for our website to work properly and others are optional. You can review and configure your cookie settings below.</p> <div class="rsc-onetrust-cookie-policy"> <div class="rsc-onetrust-cookie-settings"> <!-- OneTrust Cookies Settings button start --> <button id="ot-sdk-btn" class="ot-sdk-show-settings">Cookie Settings</button> <!-- OneTrust Cookies Settings button end --> </div> <h2 id="Advertising_partners">Advertising partners</h2> <p>This website uses services from Google to deliver, measure and personalise advertising. <a href="https://policies.google.com/technologies/partner-sites">Google</a> and <a href="https://developers.google.com/third-party-ads/adx-vendors">advertising vendors</a> may use cookies and similar technologies to store and retrieve information about your use of this website and combine it with other information that you&apos;ve provided to them or that they&apos;ve collected from your use of their services.</p> <!-- OneTrust Cookies List start --> <div id="ot-sdk-cookie-policy"></div> <!-- OneTrust Cookies List end --> </div> </div> </section> </div> </div> </div> </div> </main> <div data-id="pnlGlobalFooter"> <div class="rsc-ui"> <!-- start oxygen footer --> <footer class="rsc-footer"> <div class="breadcrumbs"> <div class="viewport"> <nav aria-label="Breadcrumb"> <ul> <li class="extra"><a href="https://www.rsc.org">rsc.org</a></li> <li> <img src="https://www.rsc-cdn.org/pubs-core/2022.0.159/content/NewImages/chevron-right.png" width="8" height="8" alt="" /> <a href="https://www.rsc.org/journals-books-databases/" class="selected">Journals, books &amp; databases</a> </li> </ul> </nav> </div> </div> <div class='nav' id='pnlSiteMap'> <div class='viewport'> <div class='rsc-logo'> <img src="https://www.rsc-cdn.org/pubs-core/2022.0.159/content/NewImages/rsc-logo-rev-pubs.svg" alt="Royal Society of Chemistry homepage"> </div> <div class='links'> <ul> <li><a href='https://www.rsc.org/'>Home</a></li> <li><a href='https://www.rsc.org/about-us/'>About us</a></li> <li><a href='https://www.rsc.org/membership-and-community/'>Membership &#38; professional community</a></li> <li><a href='https://www.rsc.org/campaigning-outreach/'>Campaigning &#38; outreach</a></li> <li><a href='https://www.rsc.org/journals-books-databases/'>Journals, books &#38; databases</a></li> <li><a href='https://www.rsc.org/teaching-and-learning/'>Teaching &#38; learning</a></li> <li><a href='https://www.rsc.org/news-events/'>News&#160;&#38; events</a></li> <li><a href='https://www.rsc.org/locations-contacts/'>Locations &#38; contacts</a></li> <li><a href='https://www.rsc.org/careers/'>Careers</a></li> <li><a href='https://www.rsc.org/awards-funding/'>Awards &#38; funding</a></li> <li><a href='https://www.rsc.org/advertise/'>Advertise</a></li> <li><a href='https://www.rsc.org/help-legal/'>Help &#38; legal</a></li> <li><a href='https://www.rsc.org/help-legal/legal/privacy/'>Privacy policy</a></li> <li><a href='https://www.rsc.org/help-legal/legal/terms-conditions/'>Terms &#38; conditions</a></li> </ul> </div> <hr class='clear'> </div> </div> <div class='baseline'> <div class='viewport'> <div class='social-icons'> <a href='https://www.facebook.com/RoyalSocietyofChemistry' class='facebook'><span class='sr-only'>Facebook</span><img src='https://www.rsc-cdn.org/pubs-core/2022.0.159/content/NewImages/facebook-128.png' height='32' width='32' alt=''></a> <a href='https://twitter.com/RoySocChem' class='twitter'><span class='sr-only'>Twitter</span><img src='https://www.rsc-cdn.org/pubs-core/2022.0.159/content/NewImages/twitter-128.png' height='32' width='32' alt=''></a> <a href='https://www.linkedin.com/company/23105' class='linkedin'><span class='sr-only'>LinkedIn</span><img src='https://www.rsc-cdn.org/pubs-core/2022.0.159/content/NewImages/linkedin-128.png' height='32' width='32' alt=''></a> <a href='https://www.youtube.com/user/wwwRSCorg' id='lastLinkOnPage' class='youtube'><span class='sr-only'>YouTube</span><img src='https://www.rsc-cdn.org/pubs-core/2022.0.159/content/NewImages/youtube-128.png' height='32' width='32' alt=''></a> </div> <div class='copyright'> &#169; Royal Society of Chemistry 2024<br>Registered charity number: 207890 </div> </div> </div> <hr class='clear'> </footer> <!-- end oxygen footer --> <div class="rsc-onetrust-cookie-footer"> <div id="rsc-onetrust-cookie-footer-non-br">This website collects cookies to deliver a better user experience. <span id="rsc-onetrust-cookie-footer-global"> See how this site uses <a href="/en/content/cookies" title="See how this site uses cookies" aria-label="See how this site uses cookies">Cookies</a>. </span> <span id="rsc-onetrust-cookie-footer-ca" style="display: none;"> <a href="/en/content/cookies" title="Do not sell my personal data" aria-label="Do not sell my personal data">Do not sell my personal data</a>. </span> </div> <div id="rsc-onetrust-cookie-footer-br" style="display: none;"> Este site coleta cookies para oferecer uma melhor experi&ecirc;ncia ao usu&aacute;rio. <span> Veja como este site usa <a href="/en/content/cookies" title="Veja como este site usa cookies" aria-label="Veja como este site usa cookies">Cookies</a>. </span> </div> </div> </div> </div> <div class="modal__canvas modal__canvas--clickclose"> </div> <div class="pubs-nav-drawer" aria-hidden="true"> <nav class="pubs-nav-control" aria-label="Site menu"> <div class="pubs-nav__header"> <a href="#" role="button" class="pubs-header__btn pubs-nav__close nav-item-first" tabindex="-1" aria-label="Close site menu"><img src="https://www.rsc-cdn.org/oxygen/assets/icons/cross-light.png" width="24" alt=""></a> <a href="/" class="pubs-header__link--home pubs-nav__title" tabindex="-1" title="Publishing home page" aria-label="Publishing home page">Publishing</a> </div> <div class="pubs-nav__body scrollbar--slim"> <div class="pubs-nav__list autopad--h"> <h2 class="pubs-nav__heading">Journals</h2> <ul class="pubs-nav__ul"> <li class="pubs-nav__item pubs-nav__indent"> <a target="_self" href="/en/journals?key=title&amp;value=current" class="pubs-nav__link" tabindex="-1">Current Journals</a> </li> <li class="pubs-nav__item pubs-nav__indent"> <a target="_self" href="/en/journals?key=title&amp;value=archive" class="pubs-nav__link" tabindex="-1">Archive Journals</a> </li> <li class="pubs-nav__item pubs-nav__indent"> <a target="_self" href="/en/journals?key=title&amp;value=all" class="pubs-nav__link" tabindex="-1">All Journals</a> </li> </ul> </div> <div class="pubs-nav__list autopad--h"> <h2 class="pubs-nav__heading">Books</h2> <ul class="pubs-nav__ul"> <li class="pubs-nav__item pubs-nav__indent"> <a target="_blank" href="https://books.rsc.org/books/search-results?fl_SiteID=5&amp;page=1&amp;f_ContentType=Book&amp;sort=Date+-+Newest+First" class="pubs-nav__link" tabindex="-1">Browse Books</a> </li> <li class="pubs-nav__item pubs-nav__indent"> <a target="_blank" href="https://books.rsc.org/books/collections/series" class="pubs-nav__link" tabindex="-1">Series</a> </li> <li class="pubs-nav__item pubs-nav__indent"> <a target="_blank" href="https://www.rsc.org/journals-books-databases/book-authors/propose-book-idea/" class="pubs-nav__link" tabindex="-1">For Authors and Editors</a> </li> <li class="pubs-nav__item pubs-nav__indent"> <a target="_blank" href="https://www.rsc.org/journals-books-databases/book-authors/" class="pubs-nav__link" tabindex="-1">About</a> </li> </ul> </div> <div class="pubs-nav__list autopad--h"> <h2 class="pubs-nav__heading">Databases</h2> <ul class="pubs-nav__ul"> <li class="pubs-nav__item pubs-nav__indent"> <a target="_blank" href="https://www.rsc.org/journals-books-databases/databases-literature-updates/" class="pubs-nav__link" tabindex="-1">Literature Updates</a> </li> <li class="pubs-nav__item pubs-nav__indent"> <a target="_blank" href="http://www.chemspider.com/" class="pubs-nav__link" tabindex="-1">ChemSpider</a> </li> <li class="pubs-nav__item pubs-nav__indent"> <a target="_blank" href="https://www.rsc.org/merck-index" class="pubs-nav__link" tabindex="-1">The Merck Index*</a> </li> <li class="pubs-nav__item pubs-nav__indent"> <a target="_blank" href="https://marinlit.rsc.org/" class="pubs-nav__link" tabindex="-1">MarinLit</a> </li> </ul> </div> <div class="pubs-nav__list autopad--h"> <h2 class="pubs-nav__heading">More</h2> <ul class="pubs-nav__ul"> <li class="pubs-nav__item pubs-nav__indent"> <a target="_blank" href="https://www.rsc.org/resources-tools/research-tools/#access" class="pubs-nav__link" tabindex="-1">For Members</a> </li> <li class="pubs-nav__item pubs-nav__indent"> <a target="_self" href="/en/librarian/home" class="pubs-nav__link" tabindex="-1">For Librarians</a> </li> <li class="pubs-nav__item pubs-nav__indent"> <a target="_blank" href="https://www.rsc.org/journals-books-databases/about-journals/journal-email-alerts-service/" class="pubs-nav__link" tabindex="-1">Subscribe</a> </li> <li class="pubs-nav__item pubs-nav__indent"> <a target="_self" href="/en/ealerts/rssfeed" class="pubs-nav__link" tabindex="-1">RSS Feeds</a> </li> <li class="pubs-nav__item pubs-nav__indent"> <a target="_blank" href="http://blogs.rsc.org/" class="pubs-nav__link" tabindex="-1">Blogs</a> </li> <li class="pubs-nav__item pubs-nav__indent"> <a target="_blank" href="https://www.chemistryworld.com/" class="pubs-nav__link" tabindex="-1">Chemistry World</a> </li> <li class="pubs-nav__item pubs-nav__indent"> <a target="_blank" href="https://edu.rsc.org/eic" class="pubs-nav__link" tabindex="-1">Education in Chemistry</a> </li> <li class="pubs-nav__item pubs-nav__indent"> <a target="_blank" href="https://www.rsc.org/journals-books-databases/open-access/" class="pubs-nav__link" tabindex="-1">Open Access</a> </li> <li class="pubs-nav__item pubs-nav__indent"> <a target="_blank" href="http://pubs.rsc.org/historical-collection" class="pubs-nav__link" tabindex="-1">Historical Collection</a> </li> </ul> </div> </div> </nav> </div> <script> var eCommerceGetOrderItemCountUrl = 'https://www.rsc.org/basket/shoppingcart/getorderitemcount'; var hideNotificationMessageUrl = '/en/home/HideNotificationMessage'; var brandingBarUrl = '/en/home/branding_New'; </script> <script src="https://www.rsc-cdn.org/pubs-core/2022.0.159/content/Scripts/dist/vendor.min.js"></script> <script src="https://www.rsc-cdn.org/pubs-core/2022.0.159/content/Scripts/dist/pubs-ui.min.js"></script> </body> </html>

Pages: 1 2 3 4 5 6 7 8 9 10