American Chemical Society

<!DOCTYPE html> <html lang="en"> <head><script type="text/javascript" src="/_static/js/bundle-playback.js?v=HxkREWBo" charset="utf-8"></script> <script type="text/javascript" src="/_static/js/wombat.js?v=txqj7nKC" charset="utf-8"></script> <script>window.RufflePlayer=window.RufflePlayer||{};window.RufflePlayer.config={"autoplay":"on","unmuteOverlay":"hidden"};</script> <script type="text/javascript" src="/_static/js/ruffle/ruffle.js"></script> <script type="text/javascript"> __wm.init("https://web.archive.org/web"); __wm.wombat("https://www.acs.org/","20240509153833","https://web.archive.org/","web","/_static/", "1715269113"); </script> <link rel="stylesheet" type="text/css" href="/_static/css/banner-styles.css?v=S1zqJCYt" /> <link rel="stylesheet" type="text/css" href="/_static/css/iconochive.css?v=3PDvdIFv" />  <meta http-equiv="X-UA-Compatible" content="IE=edge"/> <meta charset="utf-8"/> <title>American Chemical Society</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"/> <meta name="google-site-verification" content="zrFJ04vcYOvFKcCcPNgKGd76MBmINAE0VRBCZ0h7mrE"/> <meta name="description" content="ACS is one of the world’s largest scientific societies and the premier home of chemistry professionals. Find career opportunities, educational resources, professional development, and much more."/> <meta name="author" content=""/> <meta name="content_id" content="56448204-7dce-487c-a6c5-1461e2d88635"/> <meta name="audience" content="All"/> <meta name="eventImage"/> <meta name="eventStart"/> <meta name="eventTitle" content="American Chemical Society"/> <meta name="eventLabel"/> <meta name="media"/> <meta name="tags"/>  <meta property="og:title" content="American Chemical Society"/> <meta property="og:type" content="website"/> <meta property="og:url" content="https://web.archive.org/web/20240509153833/https://www.acs.org/"/> <meta property="og:description" content="ACS is one of the world’s largest scientific societies and the premier home of chemistry professionals. Find career opportunities, educational resources, professional development, and much more."/> <meta property="og:site_name" content="American Chemical Society"/> <meta property="og:image" content="https://web.archive.org/web/20240509153833im_/https://assets.acs.org/acs-bootstrap/v2.0/images/acs-logo-facebook.png"/>  <meta name="twitter:site" content="@AmerChemSociety"/> <meta name="twitter:title" content="American Chemical Society"/> <meta name="twitter:description" content="ACS is one of the world’s largest scientific societies and the premier home of chemistry professionals. Find career opportunities, educational resources, professional development, and much more."/> <meta name="twitter:image" content="https://web.archive.org/web/20240509153833im_/https://assets.acs.org/acs-bootstrap/v2.0/images/acs-logo-facebook.png"/> <meta http-equiv="last-modified" content="04-15-2024"/> <meta http-equiv="modifiedDate" content="2024-04-15"/> <link rel="preload" as="image" type="image/svg+xml" href="/web/20240509153833/https://www.acs.org/etc.clientlibs/acs-cdn/aem6/cdn/static/resources/images/acs-logo.svg"/> <link rel="preload" as="font" type="font/woff2" crossorigin="crossorigin" href="https://web.archive.org/web/20240509153833/https://assets.acs.org/v3.0/acs-bootstrap/fonts/open-sans/opensans-variablefont.woff2"/> <link rel="shortcut icon" href="https://web.archive.org/web/20240509153833im_/https://assets.acs.org/v2.0/acs-bootstrap/images/favicon.ico"/> <link rel="stylesheet" type="text/css" href="https://web.archive.org/web/20240509153833cs_/https://assets.acs.org/v3.0/acs-bootstrap/css/acs-bootstrap.css"/> <link rel="stylesheet" href="/web/20240509153833cs_/https://www.acs.org/etc.clientlibs/acs-cdn/aem6/cdn/components.lc-a9786bd95866c3b1068a60bdcf32e44c-lc.min.css" type="text/css"> <link rel="stylesheet" type="text/css" media="print" href="/web/20240509153833cs_/https://www.acs.org/etc.clientlibs/acs-cdn/aem6/cdn/static/resources/css/print.css"/> <script data-testid="script-acs-setup" type="text/javascript"> (function () { // setup the ACS name space window.acs = { assetDomain : 'assets.acs.org', assetUrl : 'https://web.archive.org/web/20240509153833/https://assets.acs.org/v2.0/acs-bootstrap/', jsBaseUrl : 'https://web.archive.org/web/20240509153833/https://assets.acs.org/v2.0/acs-bootstrap/js/', search : { configs : { sayt : { responderUrl : 'https://web.archive.org/web/20240509153833/https://search.acs.org/content/search/acs/en/search.sayt.json', maxGSAResults: 5, maxWsoResults: 5, saytOrder: 1 } } }, foresee : { configs: { files : 'https://web.archive.org/web/20240509153833/https://assets.acs.org/v2.0/aem/js/vendor/foresee/', replay_id : 'production' } }, page : { path : '/content/acs/en', protected : false, package : '', whitelist : [] }, sso: { statusUrl: 'https://web.archive.org/web/20240509153833/https://sso.acs.org/idp/status', loginUrl: 'https://web.archive.org/web/20240509153833/https://www.acs.org/bin/acs/sso/login', logoutUrl: 'https://web.archive.org/web/20240509153833/https://sso.acs.org/idp/logout', localLogout: 'https://web.archive.org/web/20240509153833/https://www.acs.org/bin/acs/sso/session?action=logout', globalLogoutUrl: 'https://web.archive.org/web/20240509153833/https://sso.acs.org/idp/glogout?appid=ACSWWW', acctManagementUrl: 'https://web.archive.org/web/20240509153833/https://myaccount.acs.org/myaccount/HomePage.html', omrUrl: 'https://web.archive.org/web/20240509153833/https://www.renew.acs.org', omaUrl: 'https://web.archive.org/web/20240509153833/https://join.acs.org/eweb/ACSOMATemplate.aspx?site=ACS_OMA&WebCode=CreateAccount', acsNetworkUrl: '//web.archive.org/web/20240509153833/https://communities.acs.org/', acsNetworkOptInUrl: 'https://web.archive.org/web/20240509153833/https://acsnwoptin.acs.org/acsnwoptin/optin', acsDonateUrl: 'https://web.archive.org/web/20240509153833/https://www.acs.org/donate.html', acsDonateLandingUrl: 'https://web.archive.org/web/20240509153833/https://www.acs.org/donate.html', changeContact: 'https://web.archive.org/web/20240509153833/https://www.acs.org/help/change-your-contact-information.html', emailSubscription: 'https://web.archive.org/web/20240509153833/https://myaccount.acs.org/myaccount/EmailPreferences.html', techDivision: 'https://web.archive.org/web/20240509153833/https://myaccount.acs.org/myaccount/TechDivision.html', acsMembershipUrl: 'https://web.archive.org/web/20240509153833/https://www.acs.org/membership.html', acsMembershipBenefitsUrl: 'https://web.archive.org/web/20240509153833/https://www.acs.org/membership.html', acsStoreUrl: 'https://web.archive.org/web/20240509153833/https://www.store.acs.org', acsVolunteerUrl: 'https://web.archive.org/web/20240509153833/https://www.acs.org/volunteer.html', appid: 'ACSWWW' } }; })(); </script> <script type="module">window.RUM_BASE = '/'; import { sampleRUM } from '/.rum/@adobe/helix-rum-js@^1/src/index.js'; window.hlx = window.hlx || {}; window.hlx.sampleRUM = sampleRUM; sampleRUM('top'); window.addEventListener('load', () => sampleRUM('load')); document.addEventListener('click', () => sampleRUM('click')); </script></head> <body class="home " data-ishtl="true"> <div data-testid="layout-banner" class="banner acsBanner parbase"> <div data-testid="acsbanner-component">  <a href="#maincontent" aria-current="page" class="skipNavigation search-ignore">Skip to Main Content</a> <nav id="hat-menu" class="hat search-ignore" aria-label="Global Site Menu" role="navigation" data-ishtl="true"> <ul class="pubs hat__list" role="menu"> <li class="pubs__item" role="none"><a href="/web/20240509153833/https://www.acs.org/" class="pubs__link active" role="menuitem">ACS</a></li> <li class="pubs__item" role="none"><a href="https://web.archive.org/web/20240509153833/https://pubs.acs.org/" class="pubs__link" role="menuitem">Publications</a></li> <li class="pubs__item" role="none"><a href="https://web.archive.org/web/20240509153833/https://cen.acs.org/" class="pubs__link" role="menuitem">C&EN</a></li> <li class="pubs__item" role="none"><a href="https://web.archive.org/web/20240509153833/https://www.cas.org/" class="pubs__link" role="menuitem">CAS</a></li> </ul> <a class="hat__menu-back">< Back</a> <button class="hat__search-button" aria-label="Search"></button> <div id="member-menu" class="members loading-button" role="menu" aria-label="Member Menu"></div> <button class="hat__menu-button" aria-label="Main Menu"></button> </nav> </div> </div> <div data-testid="layout-header" class="header acsHeader parbase"><div data-ishtl="true" class="menu search-ignore" role="navigation" data-testid="acsheader-component"> <a href="/web/20240509153833/https://www.acs.org/" class="menu__logo"><img alt="American Chemical Society, Chemistry for Life ®" src="/web/20240509153833im_/https://www.acs.org/etc.clientlibs/acs-cdn/aem6/cdn/static/resources/images/acs-logo.svg" height="60" width="186"/></a> <nav id="main-menu" class="menu__nav" aria-label="Main Menu"> <ul class="menu__list js--menu" role="menu"> <li class="menu__item js--menu__item" role="none"> <a href="/web/20240509153833/https://www.acs.org/meetings.html" id="menu-item-0" class="menu__link" role="menuitem" aria-haspopup="true" aria-owns="menu-sub-0" aria-expanded="false">Meetings & Events</a> <div id="menu-sub-0" class="menu__sub js--menu__sub" role="group" aria-expanded="false" aria-hidden="true" aria-labelledby="menu-item-0"> <div class="menu-sub__intro"> <h4 class="menu-sub__header"><a href="/web/20240509153833/https://www.acs.org/meetings.html" class="menu-sub-header__link">Meetings & Events</a></h4> <p class="menu-sub__description">Network with colleagues and access the latest research in your field</p> </div> <div class="menu-sub__toc"> <ul class="menu-sub__list js--menu-sub__list"> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/meetings/acs-meetings.html" class="menu-sub__link">ACS Meetings & Expositions</a></li> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/meetings/regional.html" class="menu-sub__link">Regional Meetings</a></li> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/meetings/greenchemistryconferences.html" class="menu-sub__link">Green Chemistry Conferences</a></li> </ul> <ul class="menu-sub__list js--menu-sub__list"> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/events.html" class="menu-sub__link">Events Calendar</a></li> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/meetings/acs-meetings/about/future-meetings.html" class="menu-sub__link">Future ACS Meetings</a></li> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/meetings/programming-resources.html" class="menu-sub__link">Submit an Abstract</a></li> </ul> <ul class="menu-sub__list js--menu-sub__list"> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/careers/leadership.html" class="menu-sub__link">Leadership Development</a></li> <li class="menu-sub__item"><a href="https://web.archive.org/web/20240509153833/https://institute.acs.org/" class="menu-sub__link">ACS Institute</a></li> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/acs-webinars.html" class="menu-sub__link">ACS Webinars</a></li> </ul> </div> <div> <a href="/web/20240509153833/https://www.acs.org/events.html" class="menu-sub__view-all">View all Meetings & Events</a> </div> <div class="menu-sub__promo"> <div class="reference parbase"><div class="cq-dd-paragraph"><div class="textimage parbase"><div data-testid="textimage-component" class="container " data-ishtl="true"> <div id="_slash_features_slash_megamenu-promo_jcrAC_textimage" class="clearfix clean-float"> <div class="image_left image-div" style="width: 944px;"> <a href="/web/20240509153833/https://www.acs.org/meetings/acs-meetings/fall.html"> <div class="image" id="cq-textimage-jsp-/content/acs/en/features/megamenu-promo/jcr:content/articleContent/textimage"> <img class="cq-dd-image" alt="ACS Fall 2024, Denver, Colorado, August 17-22, 2024" width="944" loading="lazy" srcset="/web/20240509153833im_/https://www.acs.org/content/acs/en/features/megamenu-promo/jcr:content/articleContent/textimage/image.scale.small.1024.jpg/1712951528982.jpg 472w, /web/20240509153833im_/https://www.acs.org/content/acs/en/features/megamenu-promo/jcr:content/articleContent/textimage/image.scale.medium.1399.jpg/1712951528982.jpg 629w, /web/20240509153833im_/https://www.acs.org/content/acs/en/features/megamenu-promo/jcr:content/articleContent/textimage/image.scale.large.1600.jpg/1712951528982.jpg 944w" sizes="(min-width: 1344px) 944px, (min-width: 768px) 629px, (max-width: 767px) 472px" src="/web/20240509153833im_/https://www.acs.org/content/acs/en/features/megamenu-promo/_jcr_content/articleContent/textimage/image.scale.medium.1399.jpg/1712951528982.jpg"/> </div> </a> <div class="image-info"> </div> </div> <div class="text cq-dd-image clear"><p><b><a href="/web/20240509153833/https://www.acs.org/meetings/acs-meetings/fall.html">ACS Fall 2024</a><br/> </b><small>Denver, CO & Hybrid</small><br/> <small>August 18-22, 2024</small><br/> </p> </div> </div> </div> </div> </div> </div> </div> </div> </li> <li class="menu__item js--menu__item" role="none"> <a href="/web/20240509153833/https://www.acs.org/careers.html" id="menu-item-1" class="menu__link" role="menuitem" aria-haspopup="true" aria-owns="menu-sub-1" aria-expanded="false">Careers</a> <div id="menu-sub-1" class="menu__sub js--menu__sub" role="group" aria-expanded="false" aria-hidden="true" aria-labelledby="menu-item-1"> <div class="menu-sub__intro"> <h4 class="menu-sub__header"><a href="/web/20240509153833/https://www.acs.org/careers.html" class="menu-sub-header__link">Careers</a></h4> <p class="menu-sub__description">Launch and grow your career with career services and resources</p> </div> <div class="menu-sub__toc"> <ul class="menu-sub__list js--menu-sub__list"> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/careers/developing-growing-in-your-career.html" class="menu-sub__link">Develop and grow in your career</a></li> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/careers/finding-landing-a-job.html" class="menu-sub__link">Find and land a job</a></li> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/careers/exploring-career-options.html" class="menu-sub__link">Explore career options</a></li> </ul> <ul class="menu-sub__list js--menu-sub__list"> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/careers/finding-networking-opportunities.html" class="menu-sub__link">Find networking opportunities</a></li> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/careers/chemical-sciences.html" class="menu-sub__link">Careers & the Chemical Sciences</a></li> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/careers/personal-career-consulting.html" class="menu-sub__link">Virtual Career Services</a></li> </ul> <ul class="menu-sub__list js--menu-sub__list"> <li class="menu-sub__item"><a href="https://web.archive.org/web/20240509153833/https://institute.acs.org/" class="menu-sub__link">ACS Institute</a></li> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/get-experience.html" class="menu-sub__link">Get Experience</a></li> </ul> </div> <div> <a href="/web/20240509153833/https://www.acs.org/careers.html" class="menu-sub__view-all">View all Careers</a> </div> <div class="menu-sub__promo"> <div class="reference parbase"><div class="cq-dd-paragraph"><div class="textimage parbase"><div data-testid="textimage-component" class="container " data-ishtl="true"> <div id="_slash_features_slash_megamenu-promo_jcrAC_textimage_copy" class="clearfix clean-float"> <div class="image_left image-div" style="width: 260px;"> <a href="/web/20240509153833/https://www.acs.org/careers.html"> <div class="image" id="cq-textimage-jsp-/content/acs/en/features/megamenu-promo/jcr:content/articleContent/textimage_copy"> <img class="cq-dd-image" alt="Explore Career Options" width="260" loading="lazy" srcset="/web/20240509153833im_/https://www.acs.org/content/acs/en/features/megamenu-promo/jcr:content/articleContent/textimage_copy/image.scale.small.1024.jpg/1708704680529.jpg 130w, /web/20240509153833im_/https://www.acs.org/content/acs/en/features/megamenu-promo/jcr:content/articleContent/textimage_copy/image.scale.medium.1399.jpg/1708704680529.jpg 173w, /web/20240509153833im_/https://www.acs.org/content/acs/en/features/megamenu-promo/jcr:content/articleContent/textimage_copy/image.scale.large.1600.jpg/1708704680529.jpg 260w" sizes="(min-width: 1344px) 260px, (min-width: 768px) 173px, (max-width: 767px) 130px" src="/web/20240509153833im_/https://www.acs.org/content/acs/en/features/megamenu-promo/_jcr_content/articleContent/textimage_copy/image.scale.medium.1399.jpg/1708704680529.jpg"/> </div> </a> <div class="image-info"> </div> </div> <div class="text cq-dd-image clear"><p><b><a href="/web/20240509153833/https://www.acs.org/careers.html">Explore Career Options</a></b><br/> <small>Let ACS help you navigate your career journey with tools, personal coaching and networking.</small></p> </div> </div> </div> </div> </div> </div> </div> </div> </li> <li class="menu__item js--menu__item" role="none"> <a href="/web/20240509153833/https://www.acs.org/education.html" id="menu-item-2" class="menu__link" role="menuitem" aria-haspopup="true" aria-owns="menu-sub-2" aria-expanded="false">Students & Educators</a> <div id="menu-sub-2" class="menu__sub js--menu__sub" role="group" aria-expanded="false" aria-hidden="true" aria-labelledby="menu-item-2"> <div class="menu-sub__intro"> <h4 class="menu-sub__header"><a href="/web/20240509153833/https://www.acs.org/education.html" class="menu-sub-header__link">Students & Educators</a></h4> <p class="menu-sub__description">Promoting excellence in science education and outreach</p> </div> <div class="menu-sub__toc"> <ul class="menu-sub__list js--menu-sub__list"> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/education/resources.html" class="menu-sub__link">Educational Resources</a></li> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/education/students.html" class="menu-sub__link">For Students</a></li> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/education/educators.html" class="menu-sub__link">For Educators</a></li> </ul> <ul class="menu-sub__list js--menu-sub__list"> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/education/whatischemistry.html" class="menu-sub__link">Explore Chemistry</a></li> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/education/policies.html" class="menu-sub__link">Standards & Guidelines</a></li> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/education/outreach.html" class="menu-sub__link">Science Outreach</a></li> </ul> <ul class="menu-sub__list js--menu-sub__list"> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/education/books-and-magazines.html" class="menu-sub__link">Books & Magazines</a></li> <li class="menu-sub__item"><a href="https://web.archive.org/web/20240509153833/https://teachchemistry.org/" class="menu-sub__link">American Association of Chemistry Teachers</a></li> </ul> </div> <div> <a href="/web/20240509153833/https://www.acs.org/education.html" class="menu-sub__view-all">View all Students & Educators</a> </div> <div class="menu-sub__promo"> <div class="reference parbase"><div class="cq-dd-paragraph"><div class="textimage parbase"><div data-testid="textimage-component" class="container " data-ishtl="true"> <div id="_slash_features_slash_megamenu-promo_jcrAC_textimage_copy_copy__511627432" class="clearfix clean-float"> <div class="image_left image-div" style="width: 237px;"> <a href="/web/20240509153833/https://www.acs.org/education/educators/acs-hach-programs.html"> <div class="image" id="cq-textimage-jsp-/content/acs/en/features/megamenu-promo/jcr:content/articleContent/textimage_copy_copy__511627432"> <img class="cq-dd-image" alt="ACS-Hach Programs" width="237" loading="lazy" srcset="/web/20240509153833im_/https://www.acs.org/content/acs/en/features/megamenu-promo/jcr:content/articleContent/textimage_copy_copy__511627432/image.img.png/1708704842592.png 119w, /web/20240509153833im_/https://www.acs.org/content/acs/en/features/megamenu-promo/jcr:content/articleContent/textimage_copy_copy__511627432/image.img.png/1708704842592.png 158w, /web/20240509153833im_/https://www.acs.org/content/acs/en/features/megamenu-promo/jcr:content/articleContent/textimage_copy_copy__511627432/image.img.png/1708704842592.png 237w" sizes="(min-width: 1344px) 237px, (min-width: 768px) 158px, (max-width: 767px) 119px" src="/web/20240509153833im_/https://www.acs.org/content/acs/en/features/megamenu-promo/_jcr_content/articleContent/textimage_copy_copy__511627432/image.img.png/1708704842592.png"/> </div> </a> <div class="image-info"> </div> </div> <div class="text cq-dd-image clear"><p><b><a href="/web/20240509153833/https://www.acs.org/education/educators/acs-hach-programs.html">ACS-Hach Programs</a></b><br/> <small>Learn about financial support for future and current high school chemistry teachers.</small></p> </div> </div> </div> </div> </div> </div> </div> </div> </li> <li class="menu__item js--menu__item" role="none"> <a href="/web/20240509153833/https://www.acs.org/membership-and-networks.html" id="menu-item-3" class="menu__link" role="menuitem" aria-haspopup="true" aria-owns="menu-sub-3" aria-expanded="false">Communities</a> <div id="menu-sub-3" class="menu__sub js--menu__sub" role="group" aria-expanded="false" aria-hidden="true" aria-labelledby="menu-item-3"> <div class="menu-sub__intro"> <h4 class="menu-sub__header"><a href="/web/20240509153833/https://www.acs.org/membership-and-networks.html" class="menu-sub-header__link">Communities</a></h4> <p class="menu-sub__description">Find a chemistry community of interest and connect on a local and global level.</p> </div> <div class="menu-sub__toc"> <ul class="menu-sub__list js--menu-sub__list"> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/technical-divisions.html" class="menu-sub__link">Technical Divisions</a></li> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/local-sections.html" class="menu-sub__link">Local Sections</a></li> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/industry.html" class="menu-sub__link">Industry Resources</a></li> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/global/chapters.html" class="menu-sub__link">International Chapters</a></li> </ul> <ul class="menu-sub__list js--menu-sub__list"> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/global.html" class="menu-sub__link">International Resources</a></li> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/greenchemistry/industry-roundtables.html" class="menu-sub__link">Green Chemistry Roundtables</a></li> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/membership-and-networks/senior-chemists.html" class="menu-sub__link">Senior Chemists</a></li> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/education/students/college/studentaffiliates.html" class="menu-sub__link">Student Chapters</a></li> </ul> <ul class="menu-sub__list js--menu-sub__list"> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/education/students/highschool/chemistryclubs.html" class="menu-sub__link">High School Club</a></li> <li class="menu-sub__item"><a href="https://web.archive.org/web/20240509153833/https://acswcc.org/" class="menu-sub__link">Women Chemists</a></li> </ul> </div> <div> <a href="/web/20240509153833/https://www.acs.org/membership-and-networks.html" class="menu-sub__view-all">View all Communities</a> </div> <div class="menu-sub__promo"> <div class="reference parbase"><div class="cq-dd-paragraph"><div class="textimage parbase"><div data-testid="textimage-component" class="container " data-ishtl="true"> <div id="_slash_features_slash_megamenu-promo_jcrAC_textimage_copy_copy_1248650693" class="clearfix clean-float"> <div class="image_left image-div" style="width: 236px;"> <a href="/web/20240509153833/https://www.acs.org/technical-divisions.html"> <div class="image" id="cq-textimage-jsp-/content/acs/en/features/megamenu-promo/jcr:content/articleContent/textimage_copy_copy_1248650693"> <img class="cq-dd-image" alt="Technical Divisions" width="236" loading="lazy" srcset="/web/20240509153833im_/https://www.acs.org/content/acs/en/features/megamenu-promo/jcr:content/articleContent/textimage_copy_copy_1248650693/image.scale.small.1024.jpg/1708704727874.jpg 118w, /web/20240509153833im_/https://www.acs.org/content/acs/en/features/megamenu-promo/jcr:content/articleContent/textimage_copy_copy_1248650693/image.scale.medium.1399.jpg/1708704727874.jpg 157w, /web/20240509153833im_/https://www.acs.org/content/acs/en/features/megamenu-promo/jcr:content/articleContent/textimage_copy_copy_1248650693/image.scale.large.1600.jpg/1708704727874.jpg 236w" sizes="(min-width: 1344px) 236px, (min-width: 768px) 157px, (max-width: 767px) 118px" src="/web/20240509153833im_/https://www.acs.org/content/acs/en/features/megamenu-promo/_jcr_content/articleContent/textimage_copy_copy_1248650693/image.scale.medium.1399.jpg/1708704727874.jpg"/> </div> </a> <div class="image-info"> </div> </div> <div class="text cq-dd-image clear"><p><b><a href="/web/20240509153833/https://www.acs.org/technical-divisions.html">Technical Divisions</a></b><br/> <small>Collaborate with scientists in your field of chemistry and stay current in your area of specialization.</small></p> </div> </div> </div> </div> </div> </div> </div> </div> </li> <li class="menu__item js--menu__item" role="none"> <a href="/web/20240509153833/https://www.acs.org/pressroom.html" id="menu-item-4" class="menu__link" role="menuitem" aria-haspopup="true" aria-owns="menu-sub-4" aria-expanded="false">Discover Chemistry</a> <div id="menu-sub-4" class="menu__sub js--menu__sub" role="group" aria-expanded="false" aria-hidden="true" aria-labelledby="menu-item-4"> <div class="menu-sub__intro"> <h4 class="menu-sub__header"><a href="/web/20240509153833/https://www.acs.org/pressroom.html" class="menu-sub-header__link">Discover Chemistry</a></h4> <p class="menu-sub__description">Explore the interesting world of science with articles, videos and more.</p> </div> <div class="menu-sub__toc"> <ul class="menu-sub__list js--menu-sub__list"> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/pressroom/presspacs.html" class="menu-sub__link">Science Articles</a></li> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/acs-webinars.html" class="menu-sub__link">ACS Webinars</a></li> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/greenchemistry.html" class="menu-sub__link">Green Chemistry</a></li> </ul> <ul class="menu-sub__list js--menu-sub__list"> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/chemical-safety.html" class="menu-sub__link">Safety</a></li> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/pressroom/tiny-matters.html" class="menu-sub__link">Tiny Matters Podcast</a></li> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/pressroom/newsreleases.html" class="menu-sub__link">News Releases</a></li> </ul> <ul class="menu-sub__list js--menu-sub__list"> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/pressroom/reactions.html" class="menu-sub__link">Reactions Videos</a></li> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/education/whatischemistry/landmarks.html" class="menu-sub__link">Landmarks in Chemical History</a></li> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/pressroom/reactions/infographics.html" class="menu-sub__link">Infographics</a></li> </ul> </div> <div> <a href="/web/20240509153833/https://www.acs.org/pressroom.html" class="menu-sub__view-all">View all Discover Chemistry</a> </div> <div class="menu-sub__promo"> <div class="reference parbase"><div class="cq-dd-paragraph"><div class="textimage parbase"><div data-testid="textimage-component" class="container " data-ishtl="true"> <div id="_slash_features_slash_megamenu-promo_jcrAC_textimage_copy_copy_788906651" class="clearfix clean-float"> <div class="image_left image-div" style="width: 236px;"> <a href="/web/20240509153833/https://www.acs.org/pressroom/reactions.html"> <div class="image" id="cq-textimage-jsp-/content/acs/en/features/megamenu-promo/jcr:content/articleContent/textimage_copy_copy_788906651"> <img class="cq-dd-image" alt="Chemistry Science Videos & Infographics" width="236" loading="lazy" srcset="/web/20240509153833im_/https://www.acs.org/content/acs/en/features/megamenu-promo/jcr:content/articleContent/textimage_copy_copy_788906651/image.img.png/1708704769876.png 118w, /web/20240509153833im_/https://www.acs.org/content/acs/en/features/megamenu-promo/jcr:content/articleContent/textimage_copy_copy_788906651/image.img.png/1708704769876.png 157w, /web/20240509153833im_/https://www.acs.org/content/acs/en/features/megamenu-promo/jcr:content/articleContent/textimage_copy_copy_788906651/image.img.png/1708704769876.png 236w" sizes="(min-width: 1344px) 236px, (min-width: 768px) 157px, (max-width: 767px) 118px" src="/web/20240509153833im_/https://www.acs.org/content/acs/en/features/megamenu-promo/_jcr_content/articleContent/textimage_copy_copy_788906651/image.img.png/1708704769876.png"/> </div> </a> <div class="image-info"> </div> </div> <div class="text cq-dd-image clear"><p><b><a href="/web/20240509153833/https://www.acs.org/pressroom/reactions.html">Reactions: Chemistry Science Videos & Infographics</a></b><br/> <small>Uncover the Chemistry in Everyday Life</small></p> </div> </div> </div> </div> </div> </div> </div> </div> </li> <li class="menu__item js--menu__item" role="none"> <a href="/web/20240509153833/https://www.acs.org/funding.html" id="menu-item-5" class="menu__link" role="menuitem" aria-haspopup="true" aria-owns="menu-sub-5" aria-expanded="false">Funding & Awards</a> <div id="menu-sub-5" class="menu__sub js--menu__sub" role="group" aria-expanded="false" aria-hidden="true" aria-labelledby="menu-item-5"> <div class="menu-sub__intro"> <h4 class="menu-sub__header"><a href="/web/20240509153833/https://www.acs.org/funding.html" class="menu-sub-header__link">Funding & Awards</a></h4> <p class="menu-sub__description">Celebrating and advancing your work with awards, grants, fellowships & scholarships.</p> </div> <div class="menu-sub__toc"> <ul class="menu-sub__list js--menu-sub__list"> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/funding/awards.html" class="menu-sub__link">Awards</a></li> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/funding/grants.html" class="menu-sub__link">Grants</a></li> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/funding/scholarships-fellowships.html" class="menu-sub__link">Scholarships & Fellowships</a></li> </ul> <ul class="menu-sub__list js--menu-sub__list"> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/funding/awards/national.html" class="menu-sub__link">National Awards</a></li> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/funding/grants/petroleum-research-fund.html" class="menu-sub__link">Petroleum Research Fund</a></li> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/funding/industry.html" class="menu-sub__link">Industry Awards</a></li> </ul> <ul class="menu-sub__list js--menu-sub__list"> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/funding/green-chemistry.html" class="menu-sub__link">Green Chemistry</a></li> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/funding/local-sections.html" class="menu-sub__link">Local Sections</a></li> <li class="menu-sub__item"><a href="/web/20240509153833/https://www.acs.org/funding/technical-divisions.html" class="menu-sub__link">Technical Divisions</a></li> </ul> </div> <div> <a href="/web/20240509153833/https://www.acs.org/funding.html" class="menu-sub__view-all">View all Funding & Awards</a> </div> <div class="menu-sub__promo"> <div class="reference parbase"><div class="cq-dd-paragraph"><div class="textimage parbase"><div data-testid="textimage-component" class="container " data-ishtl="true"> <div id="_slash_features_slash_megamenu-promo_jcrAC_textimage_copy_copy__1778912246" class="clearfix clean-float"> <div class="image_left image-div" style="width: 237px;"> <a href="/web/20240509153833/https://www.acs.org/funding/awards/chemluminary.html"> <div class="image" id="cq-textimage-jsp-/content/acs/en/features/megamenu-promo/jcr:content/articleContent/textimage_copy_copy__1778912246"> <img class="cq-dd-image" alt="ACS-Hach Programs" width="237" loading="lazy" srcset="/web/20240509153833im_/https://www.acs.org/content/acs/en/features/megamenu-promo/jcr:content/articleContent/textimage_copy_copy__1778912246/image.scale.small.1024.jpg/1708704811875.jpg 119w, /web/20240509153833im_/https://www.acs.org/content/acs/en/features/megamenu-promo/jcr:content/articleContent/textimage_copy_copy__1778912246/image.scale.medium.1399.jpg/1708704811875.jpg 158w, /web/20240509153833im_/https://www.acs.org/content/acs/en/features/megamenu-promo/jcr:content/articleContent/textimage_copy_copy__1778912246/image.scale.large.1600.jpg/1708704811875.jpg 237w" sizes="(min-width: 1344px) 237px, (min-width: 768px) 158px, (max-width: 767px) 119px" src="/web/20240509153833im_/https://www.acs.org/content/acs/en/features/megamenu-promo/_jcr_content/articleContent/textimage_copy_copy__1778912246/image.scale.medium.1399.jpg/1708704811875.jpg"/> </div> </a> <div class="image-info"> </div> </div> <div class="text cq-dd-image clear"><p><b><a href="/web/20240509153833/https://www.acs.org/funding/awards/chemluminary.html">ChemLuminary Awards</a></b><br/> <small>Recognizing ACS local sections, divisions and other volunteers for their work in promoting chemistry.</small></p> </div> </div> </div> </div> </div> </div> </div> </div> </li> <li class="menu__item menu__no-sub js--menu__item" role="none"><a href="/web/20240509153833/https://www.acs.org/about.html" class="menu__link" role="menuitem">About ACS</a></li> <li class="menu__item menu__no-sub js--menu__item" role="none"><a href="/web/20240509153833/https://www.acs.org/membership.html" class="menu__link" role="menuitem">Membership</a></li> <li class="menu__item menu__no-sub js--menu__item" role="none"><a href="/web/20240509153833/https://www.acs.org/greenchemistry.html" class="menu__link" role="menuitem">Green Chemistry</a></li> <li class="menu__item menu__no-sub js--menu__item" role="none"><a href="/web/20240509153833/https://www.acs.org/chemical-safety.html" class="menu__link" role="menuitem">Chemical & Laboratory Safety</a></li> <li class="menu__item menu__no-sub js--menu__item" role="none"><a href="/web/20240509153833/https://www.acs.org/donate.html" class="menu__link" role="menuitem">Donate</a></li> <li class="menu__item menu__no-sub js--menu__item" role="none"><a href="/web/20240509153833/https://www.acs.org/volunteer.html" class="menu__link" role="menuitem">Volunteer</a></li> </ul> </nav> <a href="https://web.archive.org/web/20240509153833/https://www.acs.org/membership.html" class="menu__join">Membership</a> <div id="search"> <div class="search acsSearch parbase"> <form action="https://web.archive.org/web/20240509153833/https://search.acs.org/" data-testid="acssearch-component" method="get" role="search" class="search-form"> <button class="search-form__close" type="reset" aria-label="Close Search"></button> <input type="text" name="q" id="searchsite" class="search-form__input" title="Enter keywords to search" placeholder="Search" aria-label="Enter keywords to search" aria-labelledby="search-button"/> <button id="search-button" class="search-form__button" role="button" aria-label="Submit Search"></button> </form> </div> </div> </div>  </div> <div data-testid="layout-globalbanner"> </div>  <div data-ishtl="true" id="bd" role="main" data-testid="layout-maincontent"> <div class="container-fluid"> <div class="acsBreadcrumbbreadcrumbNav parbase">   </div> <a name="maincontent" id="maincontent"></a> <div class="memberenew memberrenewal"><div data-testid="memberrenewal-component" class="profile-header container search-ignore" style="display: none;" data-ishtl="true"> <div id="notify-renewal" class="alert alert-error" aria-hidden="true"> It's time to renew your membership. <b>Renew now? </b> <a href="#" class="btn btn-rounded btn-yes">Yes </a> <a href="#" class="btn btn-rounded btn-no">No </a> </div> </div></div> <div class="mainContent parsys"> <div class="embed"> <div data-testid="embed-component" id="aem-embed-jsp-/content/acs/en/jcr:content/mainContent/embed_1740405654" class="embed left" style="height:auto; width:auto; " data-ishtl="true"> <h1 class="visuallyhidden">Welcome to Amerian Chemical Society</h1> <div class="clear"></div> </div> </div> <div class="reference"> <div data-testid="reference-component" style="display:inline;" class="cq-dd-paragraph" data-ishtl="true"><div class="image parbase"> <div id="contentacsenfeaturescarousel-2jcr_contentarticlecontentacscarousel4up" class="carousel4up" style="height: 450px;" data-is-jsp="false" data-ishtl="true"> <div class="owl-carousel" data-composer="carousel4up" data-config="{"height":450,"interval":7000,"slidemargin":0,"slideBy":1,"fallbackDelay":7000,"limit":1,"navmode":true,"prevnext":true,"loop":true,"center":false,"autoplay":true,"dotdata":true,"slidesExceedLimit":true}" style="background-color:;"> <div class="item" style="height: 450px; background-color: ;" tabindex="0" aria-hidden="false" title="ACS Fall 2024" data-dot="<button><span>ACS Fall 2024</span></buton>"> <a href="/web/20240509153833/https://www.acs.org/meetings/acs-meetings/fall.html"> <div class="slide-image"> <img class="owl-lazy" style="max-width: none;" aria-describedby="acscarousel_slide_caption_0" data-src="/content/dam/acsorg/meetings/acs-meetings/2024-fall/ACS%2014723%202024%20Fall%20Meeting%20Website%20Banners_Homepage%20Graphic_2000x765_2x.jpg.scale.medium.1399.jpg"/> </div> <div id="acscarousel_slide_caption_0" class="slide-caption"> <div class="slide-caption-inner"> <h2>ACS Fall 2024</h2> <p>Denver, Colorado & Hybrid<br/> August 18-22, 2024</p> <p>Registration & housing will open in May</p> <p>Learn More ></p> </div> </div> </a> </div> <div class="item" style="height: 450px; background-color: ;" tabindex="0" aria-hidden="false" title="Calling all sustainability stars!" data-dot="<button><span>Calling all sustainability stars!</span></buton>"> <a href="/web/20240509153833/https://www.acs.org/sustainability/sustainability-stars.html"> <div class="slide-image"> <img class="owl-lazy" style="max-width: none;" aria-describedby="acscarousel_slide_caption_1" data-src="/content/dam/acsorg/home/carousel/2024/sustainbilitystars-2024-carousel-homepage.jpg.scale.medium.1399.jpg"/> </div> <div id="acscarousel_slide_caption_1" class="slide-caption"> <div class="slide-caption-inner"> <h2>Calling all sustainability stars!</h2> <p>One Free Year of ACS Premium Membership could be yours.</p> <p>We’re looking for scientists that are making “chemistry” synonymous with “sustainability.”</p> <p>Learn more ></p> </div> </div> </a> </div> <div class="item" style="height: 450px; background-color: ;" tabindex="0" aria-hidden="false" title="Connect with the World's Largest Scientific Community" data-dot="<button><span>Connect with the World's Largest Scientific Community</span></buton>"> <a href="/web/20240509153833/https://www.acs.org/membership.html"> <div class="slide-image"> <img class="owl-lazy" style="max-width: none;" aria-describedby="acscarousel_slide_caption_2" data-src="/content/dam/acsorg/home/carousel/2019/2018-carousel-connect.jpg.scale.medium.1399.jpg"/> </div> <div id="acscarousel_slide_caption_2" class="slide-caption"> <div class="slide-caption-inner"> <h2>Connect with the World's Largest Scientific Community</h2> <p>Collaborate and network with like-minded scientists near you and around the world</p> <p>Learn More ></p> </div> </div> </a> </div> <div class="item" style="height: 450px; background-color: #000000;" tabindex="0" aria-hidden="false" title="Discover more with ACS scientific resources" data-dot="<button><span>Discover more with ACS scientific resources</span></buton>"> <a href="https://web.archive.org/web/20240509153833/http://pubs.acs.org/"> <div class="slide-image"> <img class="owl-lazy" style="max-width: none;" aria-describedby="acscarousel_slide_caption_3" data-src="/content/dam/acsorg/home/carousel/2019/2018-carousel-discover.jpg.scale.medium.1399.jpg"/> </div> <div id="acscarousel_slide_caption_3" class="slide-caption"> <div class="slide-caption-inner"> <h2>Discover more with ACS scientific resources</h2> <p>Explore the latest scientific advances and chemistry-related information to address global challenges</p> <p><small>Learn more ></small></p> </div> </div> </a> </div> <div class="item" style="height: 450px; background-color: ;" tabindex="0" aria-hidden="false" title="Advance your Career in the Global Economy" data-dot="<button><span>Advance your Career in the Global Economy</span></buton>"> <a href="/web/20240509153833/https://www.acs.org/careers.html"> <div class="slide-image"> <img class="owl-lazy" style="max-width: none;" aria-describedby="acscarousel_slide_caption_4" data-src="/content/dam/acsorg/home/carousel/2019/2018-carousel-advance-career.jpg.scale.medium.1399.jpg"/> </div> <div id="acscarousel_slide_caption_4" class="slide-caption"> <div class="slide-caption-inner"> <h2>Advance your Career in the Global Economy</h2> <p>Find the resources and tools you need to succeed and thrive</p> <p>Learn more ></p> </div> </div> </a> </div> <div class="item" style="height: 450px; background-color: #00608F;" tabindex="0" aria-hidden="false" title="Promote Excellence in Education" data-dot="<button><span>Promote Excellence in Education</span></buton>"> <a href="/web/20240509153833/https://www.acs.org/education.html"> <div class="slide-image"> <img class="owl-lazy" style="max-width: none;" aria-describedby="acscarousel_slide_caption_5" data-src="/content/dam/acsorg/home/carousel/2019/2018-carousel-education.jpg"/> </div> <div id="acscarousel_slide_caption_5" class="slide-caption"> <div class="slide-caption-inner"> <h2>Promote Excellence in Education</h2> <p>Share your passion for chemistry and support the next generation of chemists<br/> <br/> Learn more ></p> </div> </div> </a> </div> </div> <script> (function(){ setTimeout(function(){ if(!$("#contentacsenfeaturescarousel-2jcr_contentarticlecontentacscarousel4up .owl-carousel").hasClass("loaded")){ $("#contentacsenfeaturescarousel-2jcr_contentarticlecontentacscarousel4up").css( "background-image", "url(/content/dam/acsorg/meetings/acs-meetings/2024-spring/ACS-14205-2024-Spring-Meeting-Website-Banners3-low.jpg)"); } }, 7000); }()); </script> </div> </div> </div> </div> <div class="reference"> <div data-testid="reference-component" style="display:inline;" class="cq-dd-paragraph" data-ishtl="true"><div class="announcements"><div data-testid="announcements-component" class="container" data-ishtl="true"> <div id="announcements" data-composer="newsticker" data-action="init"> <div id="announcement-bar"> <p class="announcement-sub"> <strong>Announcements:</strong> </p> <noscript>To view this content please <em>enable javascript</em> and <a href="./">refresh this page</a>.</noscript> <div id="headlines" class="newsticker"></div> <div id="announcements-all"> <h2> <a href="https://web.archive.org/web/20240509153833/https://annualreport.acs.org/">2023 ACS Annual Report</a> <p>The annual report is now available and includes a message from the CEO, highlights of several ACS achievements in the past year and a financial overview highlighting the Society’s strong performance in 2023.</p> </h2> <h2> <a href="/web/20240509153833/https://www.acs.org/privacy.html">ACS takes your privacy seriously</a> <p>ACS is committed to protecting your personal information. Our updated <a href="/web/20240509153833/https://www.acs.org/privacy.html">privacy policy</a> reflects our efforts to comply with the new European General Data Protection Regulations which details what information we collect from you, how we use it, and what we do to safeguard it.</p> </h2> <h2> <a href="/web/20240509153833/https://www.acs.org/middleschoolchemistry.html">New Middle School Chemistry Website is here!</a> <p>More content with more fun and learning! The new Middle School Chemistry website is here!</p> </h2> </div> </div> </div> </div></div> </div> </div> <div class="reference"> <div data-testid="reference-component" style="display:inline;" class="cq-dd-paragraph" data-ishtl="true"><div class="herocontainer parbase"> <div data-testid="herocontainer-component" class="container-fluid explore-acs"> <style type="text/css"> #_content_acs_en_featuresexplore-acsjcrcontentarticlecontentheroc81878 { padding-top: 50px; padding-bottom: 50px; background-color: #f4f4f4; } </style> <div class="clearfix text_dark" id="_content_acs_en_featuresexplore-acsjcrcontentarticlecontentheroc81878"> <div class="container"> <div class="containerPar parsys"><div class="embed section"> <div data-testid="embed-component" id="aem-embed-jsp-/content/acs/en/features/explore-acs/jcr:content/articleContent/herocontainer/containerPar/embed" class="embed left" style="height:auto; width:auto; " data-ishtl="true"> <style type="text/css"> .select-container { display: inline-block; } </style> <div class="homeExplore"> <h2 class="h1" style="text-align: left;">EXPLORE <span class="colortheme">ACS</span></h2> <div id="explore-control"> <span>I want to</span> <div class="select-container"> <select id="explore-dd" aria-label="I want to explore"></select> </div> </div> <div id="explore-results"></div> </div> <script> var exploreData = [{ "name":"meetings", "label":"Attend a meeting or event", "results":[ {"item":"<a href='/content/acs/en/meetings/acs-meetings.html'>ACS Meetings & Expos</a>"}, {"item":"<a href='/content/acs/en/careers/personal-career-consulting.html'>Career Events</a>"}, {"item":"<a href='/content/acs/en/meetings/regional.html'>Regional Meetings</a>"} ], "more": "<a href='/content/acs/en/events.html'>View All Meetings & Events</a>" }, { "name":"network", "label":"Network", "results":[ {"item":"<a href='/content/acs/en/technical-divisions.html'>Technical Divisions</a>"}, {"item":"<a href='/content/acs/en/local-sections.html'>Local Sections</a>"}, {"item":"<a href='/content/acs/en/education/student-communities.html'>Student Communities</a>"} ], "more": "<a href='/content/acs/en/membership-and-networks.html'>View All Networking Opportunities</a>" }, { "name":"research", "label":"Read the latest news and research", "results":[ {"item":"<a href='https://web.archive.org/web/20240509153833/https://pubs.acs.org'>ACS Publications</a>"}, {"item":"<a href='https://web.archive.org/web/20240509153833/https://cen.acs.org'>Chemical & Engineering News</a>"}, {"item":"<a href='/content/acs/en/pressroom.html'>ACS News</a>"} ] }, { "name":"jobs", "label":"Find jobs and internships", "results":[ {"item":"<a href='https://web.archive.org/web/20240509153833/https://chemistryjobs.acs.org'>C&EN Jobs Database</a>"}, {"item":"<a href='/content/acs/en/careers/personal-career-consulting.html'>Career Events</a>"}, {"item":"<a href='/content/acs/en/get-experience.html'>Internships, Co-Ops</a>"} ], "more": "<a href='/content/acs/en/careers.html'>View All Career Opportunities</a>" }, { "name":"grants", "label":"Find grants and scholarships", "results":[ {"item":"<a href='/content/acs/en/funding/scholarships-fellowships.html'>Scholarships</a>"}, {"item":"<a href='/content/acs/en/funding/grants.html'>Grants</a>"}, {"item":"<a href='/content/acs/en/funding/students.html'>Grants for Students</a>"} ], "more": "<a href='/content/acs/en/funding.html'>View All Funding and Awards</a>" }, { "name":"present", "label":"Present research", "results":[ {"item":"<a href='/content/acs/en/meetings/programming-resources.html'>How to Submit an Abstract</a>"}, {"item":"<a href='https://web.archive.org/web/20240509153833/https://pubs.acs.org/publish/'>ACS Publications</a>"} ] }, { "name":"education", "label":"Find educational resources", "results":[ {"item":"<a href='/content/acs/en/education/educators.html'>Educator Resources</a>"}, {"item":"<a href='/content/acs/en/education/students.html'>Student Resources</a>"}, {"item":"<a href='https://web.archive.org/web/20240509153833/https://teachchemistry.org/'>American Association of Chemistry Teachers</a>"} ], "more": "<a href='/content/acs/en/education.html'>View All Education Resources</a>" }, { "name":"volunteer", "label":"Volunteer my time", "results":[ {"item":"<a href='/content/acs/en/careers/personal-career-consulting/become-a-career-consultant.html'>Career Consulting</a>"}, {"item":"<a href='/content/acs/en/education/outreach/science-coaches.html'>Science Coaches</a>"}, {"item":"<a href='/content/acs/en/education/student-communities.html'>Student Communities</a>"} ], "more": "<a href='/content/acs/en/volunteer.html'>View All Volunteer Opportunities</a>" }, { "name":"career", "label":"Develop my career", "results":[ {"item":"<a href='https://web.archive.org/web/20240509153833/https://institute.acs.org'>ACS Institute</a>"}, {"item":"<a href='/content/acs/en/careers/leadership.html'>ACS Leadership Development</a>"}, {"item":"<a href='/content/acs/en/careers/personal-career-consulting.html'>Career Events</a>"} ] }, { "name":"advice", "label":"Get career advice", "results":[ {"item":"<a href='/content/acs/en/careers.html'>Career Path Resources</a>"}, {"item":"<a href='/content/acs/en/careers/personal-career-consulting.html'>Personal Career Consulting</a>"}, {"item":"<a href='https://web.archive.org/web/20240509153833/https://chemidp.acs.org'>Career Skill Building</a>"} ], "more": "<a href='/content/acs/en/careers.html'>View All Career Resources</a>" }, { "name":"donate", "label":"Make a donation", "results":[ {"item":"<a href='/content/acs/en/education/students/highschool/seed.html'>Project SEED</a>"}, {"item":"<a href='/content/acs/en/funding-and-awards/scholarships/acsscholars.html'>ACS Scholars Program</a>"} ], "more": "<a href='/content/acs/en/donate.html'>See how you can make a difference</a>" }, { "name":"advocate", "label":"Advocate for chemistry", "results":[ {"item":"<a href='/content/acs/en/policy/publicpolicies.html'>What We Advocate For </a>"}, {"item":"<a href='/content/acs/en/policy/memberadvocacy.html'>Act4Chemistry</a>"} ], "more": "<a href='/content/acs/en/policy.html'>View All Advocacy Efforts</a>" }, { "name":"learn", "label":"Learn about ACS", "results":[ {"item":"<a href='/content/acs/en/membership.html'>Membership</a>"}, {"item":"<a href='/content/acs/en/membership/member-benefits.html'>Member Benefits</a>"}, {"item":"<a href='/content/acs/en/about.html'>About ACS</a>"} ] }]; // Populate dropdown options and initial results var exploreDd = document.getElementById('explore-dd'); exploreData.forEach(function(entry) { var option = document.createElement('option'); option.value = entry.name; option.innerHTML = entry.label; exploreDd.appendChild(option); }); populateButtons(0) exploreDd.addEventListener('change', function(e) { var index = this.selectedIndex; populateButtons(index) }); function populateButtons(index) { var exploreResults = document.getElementById('explore-results'); // Clear existing results exploreResults.innerHTML = ''; // Populate new results exploreData[index].results.forEach(function(result) { var div = document.createElement('div'); div.className = 'result'; div.innerHTML = result.item; exploreResults.appendChild(div); }); // Check if there's a 'more' link and append it if present if (exploreData[index].hasOwnProperty('more')){ var viewAllLink = document.createElement('div'); viewAllLink.className = 'view-all-link'; viewAllLink.innerHTML = exploreData[index].more; exploreResults.appendChild(viewAllLink); } } </script> <div class="clear"></div> </div> </div> </div> </div> </div> </div></div> </div> </div> <div class="herocontainer parbase"> <div data-testid="herocontainer-component" class="container-fluid border-bottom home-motw"> <style type="text/css"> #_content_acs_en_jcrcontentmaincontentherocontainer23892 { padding-top: 20px; padding-bottom: 20px; } </style> <div class="clearfix text_dark" id="_content_acs_en_jcrcontentmaincontentherocontainer23892"> <div class="container"> <div class="containerPar parsys"><div class="text parbase section"><div data-testid="text-component" class="container " data-ishtl="true"> <div> <h2 class="h1" style=" margin: 1.0em 0.0px 0.75em; text-align: left; padding-right: 0; ">MOLECULE<br/> <span class="colortheme">OF THE WEEK</span></h2> </div> </div></div> <div class="reference section"> <div data-testid="reference-component" style="display:inline;" class="cq-dd-paragraph" data-ishtl="true"><div class="motwteaser"> <div class="moleculeHint" data-ishtl="true">I keep your car engine from knocking. </div> <a aria-label="Learn more about Isooctane" href="/web/20240509153833/https://www.acs.org/molecule-of-the-week/archive/i/isooctane.html?cid=home_motw"> <div class="moleculeImage1"> <img alt="Image of Isooctane" src="/web/20240509153833im_/https://www.acs.org/content/dam/acsorg/molecule/archive-new/i/isooctane-teaser.png"/> </div> </a> <div class="moleculeButton"> <a aria-label="Learn more about Isooctane" class="btn btn-link btn-lg" href="/web/20240509153833/https://www.acs.org/molecule-of-the-week/archive/i/isooctane.html?cid=home_motw"> What molecule am I? </a> <p><a href="/web/20240509153833/https://www.acs.org/molecule-of-the-week/archive.html">View Archive</a></p> </div> </div> </div> </div> </div> </div> </div> </div></div> <div class="reference"> <div data-testid="reference-component" style="display:inline;" class="cq-dd-paragraph" data-ishtl="true"><div class="columnsBootstrap parbase"> <div class="container " data-ishtl="true"> <div class="row rowOdd"> <div class="col-md-12 col-xs-12 columnOne columnOdd"> <div class="column0 parsys"> <div class="herocontainer parbase"> <div data-testid="herocontainer-component" class="container-fluid hero-membership"> <style type="text/css"> #_content_acs_en_membershipreferences2023-campaignjcrcontentartic26256 { background-image: url('/web/20240509153833im_/https://www.acs.org/content/dam/acsorg/membership/images/hero-bg.jpg.scale.large.1600.jpg') ; background-repeat: no-repeat; background-size: cover; background-position: right top; padding-top: 40px; padding-bottom: 40px; padding-left: 25px; padding-right: 25px; margin-top: 70px; margin-bottom: 70px; } @media only screen and (min-width: 1px) {#_content_acs_en_membershipreferences2023-campaignjcrcontentartic26256{background-image: url('/web/20240509153833im_/https://www.acs.org/content/dam/acsorg/membership/images/hero-bg.jpg.scale.xsmall.640.jpg');}} @media only screen and (min-width: 768px) {#_content_acs_en_membershipreferences2023-campaignjcrcontentartic26256{background-image: url('/web/20240509153833im_/https://www.acs.org/content/dam/acsorg/membership/images/hero-bg.jpg.scale.small.1024.jpg');}} @media only screen and (min-width: 1024px) {#_content_acs_en_membershipreferences2023-campaignjcrcontentartic26256{background-image: url('/web/20240509153833im_/https://www.acs.org/content/dam/acsorg/membership/images/hero-bg.jpg.scale.medium.1399.jpg');}} @media only screen and (min-width: 1280px) {#_content_acs_en_membershipreferences2023-campaignjcrcontentartic26256{background-image: url('/web/20240509153833im_/https://www.acs.org/content/dam/acsorg/membership/images/hero-bg.jpg.scale.large.1600.jpg');}} </style> <div class="clearfix text_light" id="_content_acs_en_membershipreferences2023-campaignjcrcontentartic26256"> <div class="container"> <div class="containerPar parsys"><div class="text parbase section"><div data-testid="text-component" class="container " data-ishtl="true"> <div> <h2><span class="h1-yellow">BECAUSE PEOPLE <br/> LIKE YOU </span>CREATE <br/> GREAT CHEMISTRY</h2> <p class="lead">You belong here</p> </div> </div></div> <div class="button parbase section"> <div data-testid="button-component" class="container" data-ishtl="true"> <div class="text-left"> <a href="/web/20240509153833/https://www.acs.org/membership.html" class="btn btn-yellow btn-lg"> Explore ACS Membership <span class="sr-only">Explore ACS Membership</span> </a> </div> </div> </div> <div class="embed section"> <div data-testid="embed-component" id="aem-embed-jsp-/content/acs/en/membership/references/2023-campaign/jcr:content/articleContent/columnsbootstrap/column0/herocontainer_copy_c/containerPar/embed" class="embed left" style="height:auto; width:auto; " data-ishtl="true"> <link rel="preconnect" href="https://web.archive.org/web/20240509153833/https://fonts.googleapis.com/"> <link rel="preconnect" href="https://web.archive.org/web/20240509153833/https://fonts.gstatic.com/" crossorigin> <link rel="stylesheet" href="https://web.archive.org/web/20240509153833cs_/https://fonts.googleapis.com/css2?family=Kanit:wght@900&family=Open+Sans:wght@800&display=swap" media="print" onload="this.onload=null;this.removeAttribute('media');"> <style> .hero-membership:before { content: ""; display: block; position: absolute; width: 100%; height: 84%; background: rgb(1,51,124); background: linear-gradient(101deg, rgba(1,51,124,1) 0%, rgba(15,86,190,0.759563200280112) 52%, rgba(254,254,254,0.08449317226890751) 74%, rgba(246,194,74,1) 100%); } .hero-membership h2 { font-family: 'Kanit', sans-serif; font-family: 'Open Sans', sans-serif; margin-bottom: 0em; font-size: 3.5em; font-weight: 800; line-height: 1em; text-shadow: 3px 3px 2px rgba(11, 22, 128, 0.09); color: #ffffff; } .hero-membership .lead { font-size: 2em; } .h1-yellow { color: #FFCE34; } .hero-membership .text_light { height: 36rem; } @media only screen and (max-width: 1400px) { } @media only screen and (max-width: 700px) { .hero-membership .text_light { background-position: right 34% bottom !important; } } @media only screen and (max-width: 500px) { .hero-membership .text_light { background-image: url(/web/20240509153833im_/https://www.acs.org/content/dam/acsorg/membership/images/hero-bg-mobile.jpg) !important; } } </style> <div class="clear"></div> </div> </div> </div> </div> </div> </div></div> </div> </div> </div> </div> </div> </div> </div> <div class="reference"> <div data-testid="reference-component" style="display:inline;" class="cq-dd-paragraph" data-ishtl="true"><div class="herocontainer parbase"> <div data-testid="herocontainer-component" class="container-fluid stories-block"> <style type="text/css"> #_content_acs_en_featuresmember-storiesjcrcontentarticlecontenthe67840 { padding-top: 50px; padding-bottom: 50px; background-color: #EFEFEF; } </style> <div class="clearfix text_dark" id="_content_acs_en_featuresmember-storiesjcrcontentarticlecontenthe67840"> <div class="container"> <div class="containerPar parsys"><div class="text parbase section"><div data-testid="text-component" class="container " data-ishtl="true"> <div> <h2 class="h1" style=" margin: 1.0em 0.0px 0.75em; text-align: center; ">Your Success is Our Success</h2> </div> </div></div> <div class="embed section"> <div data-testid="embed-component" id="aem-embed-jsp-/content/acs/en/features/member-stories/jcr:content/articleContent/herocontainer/containerPar/embed" class="embed left" style="height:auto; width:auto; " data-ishtl="true"> <div class="stories-wrapper animated"> <div class="stories-container"> <div class="item first lrg top-offset"><img class="" src="/web/20240509153833im_/https://www.acs.org/content/dam/acsorg/home/stories/headshot01.jpg" alt="" loading="lazy"></div> <div class="item quote lrg">“I have enjoyed working on research on nanomaterials for clean energy applications and publishing our efforts in top quality ACS journals.”</div> <div class="item lrg"><img class="" src="/web/20240509153833im_/https://www.acs.org/content/dam/acsorg/home/stories/headshot03.jpg" alt="" loading="lazy"></div> <div class="item med top-offset"><img class="" src="/web/20240509153833im_/https://www.acs.org/content/dam/acsorg/home/stories/headshot02.jpg" alt="" loading="lazy"></div> <div class="item med"><img class="" src="/web/20240509153833im_/https://www.acs.org/content/dam/acsorg/home/stories/headshot04.jpg" alt="" loading="lazy"></div> <div class="item med"><img class="" src="/web/20240509153833im_/https://www.acs.org/content/dam/acsorg/home/stories/headshot05.jpg" alt="" loading="lazy"></div> <div class="item quote">I am really grateful to be involved in an organization that truly supports its members in pursuing their professional goals.</div> <div class="item small top-offset"><img class="" src="/web/20240509153833im_/https://www.acs.org/content/dam/acsorg/home/stories/headshot06.jpg" alt="" loading="lazy"></div> <div class="item med"><img class="" src="/web/20240509153833im_/https://www.acs.org/content/dam/acsorg/home/stories/headshot07.jpg" alt="" loading="lazy"></div> </div> </div> <div class="clear"></div> </div> </div> <div class="button parbase section"> <div data-testid="button-component" class="container" data-ishtl="true"> <div class="text-center"> <a href="https://web.archive.org/web/20240509153833/http://my.acs.org/" class="btn btn-yellow btn-lg"> Read Personal Stories <span class="sr-only"></span> </a> </div> </div> </div> </div> </div> </div> </div></div> </div> </div> <div class="embed"> <div data-testid="embed-component" id="aem-embed-jsp-/content/acs/en/jcr:content/mainContent/embed" class="Normal Normal embed left" style="height:auto; width:auto; " data-ishtl="true"> <style> .acsBreadcrumbbreadcrumbNav .container { width:100%; position:absolute; z-index:3; padding: 0 15px; } .breadcrumb ul li { color:#fff; } .home .reference > * > .image { margin-bottom:0; } .newsticker h4 {font-size: 15px;} .motwteaser > a { display: inline-flex; } .home-motw .motwteaser * { margin-bottom: 1.5rem; } .home-motw .btn-link, .home-motw .btn-link:visited { background-color: #FDD941; color:#000; border:none; } .home-motw .btn-link:hover, .home-motw .btn-link:focus { background:#fccf0f; } .owl-dotdata .owl-dots { top:-104px; margin-bottom: 0; } .home .owl-carousel .slide-caption p, .home .owl-carousel .owl-item:nth-child(4) .slide-caption p, .home .owl-carousel .owl-item:nth-child(9) .slide-caption p { max-width:550px; } @media screen and (min-width: 768px) { .owl-carousel.single .slide-caption h2 { max-width:700px; } .owl-carousel.single .slide-caption h2 span { font-size:.75em; line-height:0; } .owl-carousel { /* temp fix for alert bar */ max-height:450px; } .owl-dotdata:after { /* temp fix for alert bar */ bottom:0; } } @media screen and (max-width: 767px) { .owl-carousel .item { height: 300px !important; } } @media screen and (min-width:1200px) { .home .home-trending ul { column-count:2; } .owl-carousel.single .slide-caption-inner { max-width: 75%; } } @media screen and (min-width:1200px) and (max-width:1399px){ /* For Diversity slide */ .home .owl-carousel .owl-item:nth-child(4) img, .home .owl-carousel .owl-item:nth-child(9) img { max-height:535px; } .home .owl-carousel .owl-item img { max-width:100%; } } @media screen and (min-width:1010px) and (max-width:1199px){ /*.home .owl-carousel .owl-item:nth-child(5) img, .home .owl-carousel .owl-item:nth-child(10) img { max-height:475px; }*/ .home .owl-carousel .owl-item img { max-width:none; max-height:475px; } } .alert-banner__special.displayBanner { z-index: 9; } @media screen and (max-width: 600px){ #explore-control .select-container { width:100%; } #explore-control select { background-color:#fff; } } /*.owl-carousel.single .slide-caption .spring-2024 {*/ /* color:#000 !important;*/ /*}*/ /*.owl-carousel .owl-item:nth-child(5) h2{*/ /* color:#000 !important;*/ /*}*/ /* Make first slide text black */ #acscarousel_slide_caption_1 p, #acscarousel_slide_caption_1 h2, #acscarousel_slide_caption_1 p { color: black !important; } </style> <span style="display: none;">Homepage Up 123</span> <div class="clear"></div> </div> </div> </div> </div> </div> <div data-testid="layout-footer-sharebar" class="sharebar2_footer"> <div class="container"> <div class="sharebar2_label">Share this page:</div> <div class="addthis sharebar2 parbase"> <div class="sharebar2 " data-testid="sharebar2-component">  <a href="javascript:window.open('https://web.archive.org/web/20240509153833/https://www.facebook.com/sharer.php?u=https%3A%2F%2Fwww.acs.org%2F', '_blank', 'width=450,height=550');void(0);" class="social-icon facebook" title="Facebook"> <span class="hiddenButRead">Facebook</span> </a>  <a href="javascript:window.open('https://web.archive.org/web/20240509153833/https://www.linkedin.com/shareArticle?url=https%3A%2F%2Fwww.acs.org%2F&title=American Chemical Society', '_blank', 'width=450,height=550');void(0);" class="social-icon linkedin" title="LinkedIn"> <span class="hiddenButRead">LinkedIn</span> </a>  <a href="javascript:window.open('https://web.archive.org/web/20240509153833/https://twitter.com/intent/tweet?url=https%3A%2F%2Fwww.acs.org%2F&text=American%20Chemical%20Society', '_blank', 'width=450,height=550');void(0);" class="social-icon twitter" title="Tweet"> <span class="hiddenButRead">X</span> </a>  <a href="javascript:window.open('https://web.archive.org/web/20240509153833/https://pinterest.com/pin/create/bookmarklet/?media=https%3A%2F%2Fassets.acs.org%2Facs-bootstrap%2Fv2.0%2Fimages%2Facs-logo-facebook.png&url=https%3A%2F%2Fwww.acs.org%2F&is_video=false&description=American%20Chemical%20Society', '_blank', 'width=450,height=550');void(0);" class="social-icon pinterest" title="Pinterest"> <span class="hiddenButRead">Pinterest</span> </a>  <a href="https://web.archive.org/web/20240509153833/mailto:/?subject=ACS.org%3A%20American%20Chemical%20Society&body=From%20The%20American%20Chemical%20Society%3A%0A%0AAmerican%20Chemical%20Society%0A%0AACS%20is%20one%20of%20the%20world%E2%80%99s%20largest%20scientific%20societies%20and%20the%20premier%20home%20of%20chemistry%20professionals.%20Find%20career%20opportunities%2C%20educational%20resources%2C%20professional%20development%2C%20and%20much%20more.%0A%0Ahttps%3A%2F%2Fwww.acs.org%2F" class="social-icon email" title="Email"> <span class="hiddenButRead">Email</span> </a> </div>  </div> </div> </div>  <div data-testid="layout-cookiebanner"> <div data-testid="cookiebanner-component" class="alert-banner__cookie disabled search-ignore"> <div class="container"> <p> <button class="cookie-consent" data-testid="cookie-consent-button">Accept & Close</button> The ACS takes your privacy seriously as it relates to cookies. We use cookies to remember users, better understand ways to serve them, improve our value proposition, and optimize their experience. Learn more about managing your cookies at <a href="/web/20240509153833/https://www.acs.org/content/acs/en/cookies.html">Cookies Policy</a>. </p> </div> </div> </div> <div data-testid="layout-footer" class="footer acsFooter parbase">  <div data-testid="acsfooter-component" id="ft" class="search-ignore extended" role="contentinfo"> <div class="container"> <div id="ft-sitemap"> <div class="sitemap-col"> <a href="/web/20240509153833/https://www.acs.org/" class="footer__logo"><img alt="American Chemical Society, Chemistry for Life" loading="lazy" src="/web/20240509153833im_/https://www.acs.org/etc.clientlibs/acs-cdn/aem6/cdn/static/resources/images/acs-logo-white.svg" width="175" height="56"/></a> </div> <div class="sitemap-col"> <dl data-testid="acsfooterlinklist-component" class="sitemap-cat"> <dt>GET TO KNOW US</dt> <dd><a href="/web/20240509153833/https://www.acs.org/about.html?sc=180808_GlobalFooter_od">About ACS</a></dd> <dd><a href="/web/20240509153833/https://www.acs.org/pressroom/news-room.html?sc=180808_GlobalFooter_od">Press Room</a></dd> <dd><a href="https://web.archive.org/web/20240509153833/https://jobs.acs.org/?utm_source=careersite">Jobs at ACS</a></dd> <dd><a href="/web/20240509153833/https://www.acs.org/about/governance.html?sc=180808_GlobalFooter_od">Governance</a></dd> <dd><a href="https://web.archive.org/web/20240509153833/https://www.store.acs.org/?sc=180808_GlobalFooter_od">ACS Store</a></dd> </dl> </div> <div class="sitemap-col"> <dl data-testid="acsfooterlinklist-component" class="sitemap-cat"> <dt>JOIN US</dt> <dd><a href="https://web.archive.org/web/20240509153833/https://membership.join.acs.org/?sc=190101_GlobalFooter_od">Join ACS</a></dd> <dd><a href="https://web.archive.org/web/20240509153833/https://membership.renew.acs.org/?sc=190101_GlobalFooter_od">Renew Membership</a></dd> <dd><a href="https://web.archive.org/web/20240509153833/https://www.acs.org/membership.html">Member Benefits</a></dd> </dl> </div> <div class="sitemap-col"> <dl data-testid="acsfooterlinklist-component" class="sitemap-cat"> <dt>GET INVOLVED</dt> <dd><a href="/web/20240509153833/https://www.acs.org/policy.html">Advocate</a></dd> <dd><a href="/web/20240509153833/https://www.acs.org/volunteer.html">Volunteer</a></dd> <dd><a href="/web/20240509153833/https://www.acs.org/donate.html">Donate</a></dd> <dd><a href="https://web.archive.org/web/20240509153833/https://communities.acs.org/">ACS Network</a></dd> </dl> </div> <div class="sitemap-col"> <div class="footer__title">Follow Us</div> <div class="ft-social-links"> <a href="https://web.archive.org/web/20240509153833/https://www.facebook.com/AmericanChemicalSociety" class="social-icon facebook" aria-label="Follow us on Facebook"></a> <a href="https://web.archive.org/web/20240509153833/https://twitter.com/AmerChemSociety" class="social-icon twitter" aria-label="Follow us on Twitter"></a> <a href="https://web.archive.org/web/20240509153833/https://www.linkedin.com/company/american-chemical-society" class="social-icon linkedin" aria-label="Follow us on LinkedIn"></a> <a href="https://web.archive.org/web/20240509153833/https://www.instagram.com/amerchemsociety/?hl=en" class="social-icon instagram" aria-label="Follow us on Instagram"></a> </div> </div> </div> <div class="ft-acs-address"><div data-testid="text-component" class="container " data-ishtl="true"> <div> <p>1155 Sixteenth Street, NW, Washington, DC 20036, USA | <a href="https://web.archive.org/web/20240509153833/mailto:service@acs.org">service@acs.org</a> | 1-800-333-9511 (US and Canada) | 614-447-3776 (outside North America)</p> </div> </div></div> </div> <div class="ft-links"> <div class="container"> <ul> <li><a href="#top">Top ^</a></li> <li><a href="/web/20240509153833/https://www.acs.org/terms.html">Terms of Use</a></li> <li><a href="/web/20240509153833/https://www.acs.org/security.html">Security</a></li> <li><a href="/web/20240509153833/https://www.acs.org/privacy.html">Privacy</a></li> <li><a href="/web/20240509153833/https://www.acs.org/accessibility-statement.html">Accessibility</a></li> <li><a href="/web/20240509153833/https://www.acs.org/sitemap.html">Site Map</a></li> <li><a href="/web/20240509153833/https://www.acs.org/contact.html">Contact</a></li> <li><a href="/web/20240509153833/https://www.acs.org/help.html">Help</a></li> </ul> <p><a href="/web/20240509153833/https://www.acs.org/copyright.html">Copyright ©</a> 2024 American Chemical Society</p> </div> </div> </div>   </div> <script data-testid="js-analytics" type="text/javascript"> (function() { window.pagedata = {"gated":"Non Gated","path":"/content/acs/en","gatedType":"","omniHier1":"Home","omniSubSection3":"Home","omniPageName":"Home:index.htm","omniSubSection2":"Home","title":"American Chemical Society","omniSubSection1":"Home","omniDomain":"www.acs.org","omniContentId":"","omniChannel":"Home"}; }()) </script>  <script src="https://web.archive.org/web/20240509153833js_/https://assets.acs.org/v2.0/acs-bootstrap/js/acs.min.js"></script> <script src="/web/20240509153833js_/https://www.acs.org/etc.clientlibs/acs-cdn/aem6/cdn/components.lc-f5d4fac415dc576788dbe6ca972bcfcb-lc.min.js"></script> <script>  (function() { window._prum = [['id', '5182d37babe53d3b66000000'], ['mark', 'firstbyte', (new Date()).getTime()]]; var s = document.getElementsByTagName('script')[0] , p = document.createElement('script'); p.async = 'async'; p.src = '//web.archive.org/web/20240509153833/https://rum-static.pingdom.net/prum.min.js'; s.parentNode.insertBefore(p, s); })(); </script>   <script async="async" src="//web.archive.org/web/20240509153833js_/https://assets.adobedtm.com/822408db7b4a/f9e889f09bf1/launch-758c59e3763b.min.js"></script> <div class="cloudservices servicecomponents"> </div> <script type="module">window.RUM_BASE = '/'; import { sampleRUM } from '/.rum/@adobe/helix-rum-js@^1/src/index.js'; sampleRUM('lazy'); sampleRUM('cwv'); </script></body> </html>

CINXE.COM

American Chemical Society