Molecular analytes. AmazonUIPageJS : P).load.js('https://images-na.ssl-images-amazon.com/images/I/51aixJX4vYL._RC|01IN+Tx2rhL.js,011kwg0OTQL.js,01qIaIxJsJL.js,013HeCqn2YL.js,01IA5zDheBL.js,01YsvHiCZdL.js,61AXnG7qM2L.js,21MfP6Xk7vL.js,01XiAWfViUL.js,01fpGYmrQEL.js,014kCoIHgIL.js,01hkseOXj6L.js,01AUzbXZhcL.js,311A0yCIeJL.js,01iRN5bMQkL.js,51c1D3-1MLL.js,01IC-gBKyYL.js,61QXxLjAuvL.js,11YfCP5bqOL.js,01XEEGOr+kL.js,01PQKs49DyL.js,51r4MJB1SeL.js,01y8JNON9+L.js,01VioBGf5+L.js,51okuriGwxL.js,01S8y9NkxoL.js,01QHXKhSxjL.js,11mc0vNcCbL.js,01smU8QIJrL.js,01-wyMMibUL.js,019MkidFEWL.js,01WkIloYPkL.js,01gsBemrwzL.js,01l88RoySLL.js,7105O0DMb0L.js,41uu5Sb8NUL.js,31iWhmLNdPL.js_.js?AUIClients/DetailPageMobileWebDefaultMetaAsset&as39F63+#mobile.language-en.us.281041-T1.312902-T1.292695-C.292696-C.118931-T1.140997-T1.287015-T1.291749-T1.268789-T1.258182-T1.247181-T1.299332-T1.312407-T1.202285-C.312373-T1.302695-T1.304279-T1.224722-T1.169593-T1.172044-T1'); Absorption by a compound in different regions gives some hints to its structure. #preRegistration-container .a-icon{display:none}#preRegistration-container.inline-popup-link .a-checkbox{padding-right:4px}#preRegistration-container.inline-popup-link .a-checkbox-label{display:inline;padding-left:0}#preRegistration-container .preRegistration-popup-link{position:relative}#preRegistration-alert-container #preregistrationGiftingAlert{padding-left:4px}#preRegistration-alert-container #preregistrationQuantityAlert{padding-left:4px}#gifting-option-container{margin-bottom:0} #oneClickAvailable{margin-bottom:3px}#getItBy div{margin-top:3px!important}#swatches .a-declarative{margin-bottom:0!important}#oneClickAvailable .turbo-checkout-swipe-handle{background:url(data:image/svg+xml;base64,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) center/35% no-repeat #E56B00}#oneClickAvailable .turbo-checkout-swipe-area-text{background:#F2AE5A}#oneClickAvailable .turbo-checkout-swipe-padding{padding:1.6rem 0!important}#oneClickAvailable .oneclick-swipe-preorder .turbo-checkout-swipe-handle{background-color:#808069}#oneClickAvailable .oneclick-swipe-preorder .turbo-checkout-swipe-area-text{background:#d7d5b3}.oneclick-guide{background:#d1f7e7;color:#002F36} Sources, Spectrometers, Detectors. #ib-text-links-content .a-button-text{text-transform:uppercase}#ib-text-links-content ul{display:flex;display:-webkit-flex;justify-content:center;-webkit-justify-content:center}#ib-text-links-content ul li:not(:first-child){margin-left:15px}#ib-text-links-content ul li{display:inline-block;padding:6px 0 9px;width:100%;max-width:50%}#ib-text-links-content .a-button-focus{border-color:#ADB1B8 #A2A6AC #8D9096;box-shadow:none;-webkit-box-shadow:none}#ib-text-links-content .a-button{border-color:#0066c0;width:100%}#ib-text-links-content .a-button-inner{background:#fff}#ib-text-links-content .a-button-text{color:#0066c0}.image-wrapper{position:relative}.ar-ib-ingress-container{position:absolute;width:100%;left:0;top:50%;transform:translateY(-50%)}.ar-ib-ingress-overlay{position:absolute;opacity:.6;background:#000;height:100%;width:100%;top:0;left:0}.ar-ib-ingress-container .text-content{color:#FFF}.ar-ib-ingress-btn{width:160px;height:32px}.ar-ib-ingress-btn .a-box-inner{text-align:center;height:30px;vertical-align:middle;display:table-cell}.ar-ib-ingress-btn .icon{padding-left:16px;padding-right:8px;vertical-align:middle}#dyr-ingress-content .a-button-text{text-transform:uppercase}#dyr-ingress-content ul{display:flex;display:-webkit-flex;justify-content:center;-webkit-justify-content:center}#dyr-ingress-content ul li:not(:first-child){margin-left:15px}#dyr-ingress-content ul li{display:inline-block;padding:6px 0 9px;width:100%;max-width:60%}#dyr-ingress-content .a-button-focus{border-color:#ADB1B8 #A2A6AC #8D9096;box-shadow:none;-webkit-box-shadow:none}#dyr-ingress-content .a-button{border-color:#0066c0;width:100%}#dyr-ingress-content .a-button-inner{background:#fff}#dyr-ingress-content .a-button-text{color:#0066c0}