{"product_id":"erm-ec681m-rohs-polymer-certified-reference-material","title":"ERM-EC681m Handheld XRF Certified Reference Material for RoHS \u0026 Consumer Goods Testing","description":"\u003cdiv class=\"group w-full text-token-text-primary border-b border-black\/10 dark:border-gray-900\/50 bg-gray-50 dark:bg-[#444654]\"\u003e\n\u003cdiv class=\"flex p-4 gap-4 text-base md:gap-6 md:max-w-2xl lg:max-w-[38rem] xl:max-w-3xl md:py-6 lg:px-0 m-auto\"\u003e\n\u003cdiv class=\"relative flex w-[calc(100%-50px)] flex-col gap-1 md:gap-3 lg:w-[calc(100%-115px)]\"\u003e\n\u003cdiv class=\"flex flex-grow flex-col gap-3 max-w-full\"\u003e\n\u003cdiv class=\"min-h-[20px] flex flex-col items-start gap-3 overflow-x-auto whitespace-pre-wrap break-words\"\u003e\n\u003cdiv class=\"markdown prose w-full break-words dark:prose-invert light\"\u003e\n\u003cdiv class=\"group w-full text-token-text-primary border-b border-black\/10 dark:border-gray-900\/50 bg-gray-50 dark:bg-[#444654]\"\u003e\n\u003cdiv class=\"flex p-4 gap-4 text-base md:gap-6 md:max-w-2xl lg:max-w-[38rem] xl:max-w-3xl md:py-6 lg:px-0 m-auto\"\u003e\n\u003cdiv class=\"relative flex w-[calc(100%-50px)] flex-col gap-1 md:gap-3 lg:w-[calc(100%-115px)]\"\u003e\n\u003cdiv class=\"flex flex-grow flex-col gap-3 max-w-full\"\u003e\n\u003cdiv class=\"min-h-[20px] flex flex-col items-start gap-3 overflow-x-auto whitespace-pre-wrap break-words\"\u003e\n\u003cdiv class=\"markdown prose w-full break-words dark:prose-invert light\"\u003e\n\u003cdiv class=\"group w-full text-token-text-primary border-b border-black\/10 dark:border-gray-900\/50 bg-gray-50 dark:bg-[#444654]\"\u003e\n\u003cdiv class=\"flex p-4 gap-4 text-base md:gap-6 md:max-w-2xl lg:max-w-[38rem] xl:max-w-3xl md:py-6 lg:px-0 m-auto\"\u003e\n\u003cdiv class=\"relative flex w-[calc(100%-50px)] flex-col gap-1 md:gap-3 lg:w-[calc(100%-115px)]\"\u003e\n\u003cdiv class=\"flex flex-grow flex-col gap-3 max-w-full\"\u003e\n\u003cdiv class=\"min-h-[20px] flex flex-col items-start gap-3 overflow-x-auto whitespace-pre-wrap break-words\"\u003e\n\u003cdiv class=\"markdown prose w-full break-words dark:prose-invert light\"\u003e\n\u003cdiv class=\"group w-full text-token-text-primary border-b border-black\/10 dark:border-gray-900\/50 bg-gray-50 dark:bg-[#444654]\"\u003e\n\u003cdiv class=\"flex p-4 gap-4 text-base md:gap-6 md:max-w-2xl lg:max-w-[38rem] xl:max-w-3xl md:py-6 lg:px-0 m-auto\"\u003e\n\u003cdiv class=\"relative flex w-[calc(100%-50px)] flex-col gap-1 md:gap-3 lg:w-[calc(100%-115px)]\"\u003e\n\u003cdiv class=\"flex flex-grow flex-col gap-3 max-w-full\"\u003e\n\u003cdiv class=\"min-h-[20px] flex flex-col items-start gap-3 overflow-x-auto whitespace-pre-wrap break-words\"\u003e\n\u003cdiv class=\"markdown prose w-full break-words dark:prose-invert light\"\u003e\n\u003cdiv class=\"group w-full text-token-text-primary border-b border-black\/10 dark:border-gray-900\/50 bg-gray-50 dark:bg-[#444654]\"\u003e\n\u003cdiv class=\"flex p-4 gap-4 text-base md:gap-6 md:max-w-2xl lg:max-w-[38rem] xl:max-w-3xl md:py-6 lg:px-0 m-auto\"\u003e\n\u003cdiv class=\"relative flex w-[calc(100%-50px)] flex-col gap-1 md:gap-3 lg:w-[calc(100%-115px)]\"\u003e\n\u003cdiv class=\"flex flex-grow flex-col gap-3 max-w-full\"\u003e\n\u003cdiv class=\"min-h-[20px] flex flex-col items-start gap-3 overflow-x-auto whitespace-pre-wrap break-words\"\u003e\n\u003cdiv class=\"markdown prose w-full break-words dark:prose-invert light\"\u003e\n\u003cdiv class=\"group w-full text-token-text-primary border-b border-black\/10 dark:border-gray-900\/50 bg-gray-50 dark:bg-[#444654]\"\u003e\n\u003cdiv class=\"flex p-4 gap-4 text-base md:gap-6 md:max-w-2xl lg:max-w-[38rem] xl:max-w-3xl md:py-6 lg:px-0 m-auto\"\u003e\n\u003cdiv class=\"relative flex w-[calc(100%-50px)] flex-col gap-1 md:gap-3 lg:w-[calc(100%-115px)]\"\u003e\n\u003cdiv class=\"flex flex-grow flex-col gap-3 max-w-full\"\u003e\n\u003cdiv class=\"min-h-[20px] flex flex-col items-start gap-3 overflow-x-auto whitespace-pre-wrap break-words\"\u003e\n\u003cdiv class=\"markdown prose w-full break-words dark:prose-invert light\"\u003e\n\u003cdiv data-testid=\"conversation-turn-5\" class=\"group w-full text-token-text-primary border-b border-black\/10 dark:border-gray-900\/50 bg-gray-50 dark:bg-[#444654]\"\u003e\n\u003cdiv class=\"flex p-4 gap-4 text-base md:gap-6 md:max-w-2xl lg:max-w-[38rem] xl:max-w-3xl md:py-6 lg:px-0 m-auto\"\u003e\n\u003cdiv class=\"relative flex w-[calc(100%-50px)] flex-col gap-1 md:gap-3 lg:w-[calc(100%-115px)]\"\u003e\n\u003cdiv class=\"flex flex-grow flex-col gap-3 max-w-full\"\u003e\n\u003cdiv class=\"min-h-[20px] flex flex-col items-start gap-3 overflow-x-auto whitespace-pre-wrap break-words\"\u003e\n\u003cdiv class=\"markdown prose w-full break-words dark:prose-invert light\"\u003e\n\u003cdiv data-testid=\"conversation-turn-35\" class=\"group w-full text-token-text-primary border-b border-black\/10 dark:border-gray-900\/50 bg-gray-50 dark:bg-[#444654]\"\u003e\n\u003cdiv class=\"p-4 justify-center text-base md:gap-6 md:py-6 lg:px-0 m-auto\"\u003e\n\u003cdiv class=\"flex flex-1 gap-4 text-base mx-auto md:gap-6 md:max-w-2xl lg:max-w-[38rem] xl:max-w-3xl }\"\u003e\n\u003cdiv class=\"relative flex w-[calc(100%-50px)] flex-col gap-1 md:gap-3 lg:w-[calc(100%-115px)]\"\u003e\n\u003cdiv class=\"flex flex-grow flex-col gap-3 max-w-full\"\u003e\n\u003cdiv class=\"min-h-[20px] flex flex-col items-start gap-3 overflow-x-auto whitespace-pre-wrap break-words\"\u003e\n\u003cdiv class=\"markdown prose w-full break-words dark:prose-invert light\"\u003e\n\u003cdiv data-testid=\"conversation-turn-37\" class=\"group w-full text-token-text-primary border-b border-black\/10 dark:border-gray-900\/50 bg-gray-50 dark:bg-[#444654]\"\u003e\n\u003cdiv class=\"p-4 justify-center text-base md:gap-6 md:py-6 lg:px-0 m-auto\"\u003e\n\u003cdiv class=\"flex flex-1 gap-4 text-base mx-auto md:gap-6 md:max-w-2xl lg:max-w-[38rem] xl:max-w-3xl }\"\u003e\n\u003cdiv class=\"relative flex w-[calc(100%-50px)] flex-col gap-1 md:gap-3 lg:w-[calc(100%-115px)]\"\u003e\n\u003cdiv class=\"flex flex-grow flex-col gap-3 max-w-full\"\u003e\n\u003cdiv class=\"min-h-[20px] flex flex-col items-start gap-3 overflow-x-auto whitespace-pre-wrap break-words\"\u003e\n\u003cdiv class=\"markdown prose w-full break-words dark:prose-invert light\"\u003e\n\u003cdiv class=\"group w-full text-token-text-primary border-b border-black\/10 dark:border-gray-900\/50 bg-gray-50 dark:bg-[#444654]\" data-testid=\"conversation-turn-41\"\u003e\n\u003cdiv class=\"p-4 justify-center text-base md:gap-6 md:py-6 lg:px-0 m-auto\"\u003e\n\u003cdiv class=\"flex flex-1 gap-4 text-base mx-auto md:gap-6 md:max-w-2xl lg:max-w-[38rem] xl:max-w-3xl }\"\u003e\n\u003cdiv class=\"relative flex w-[calc(100%-50px)] flex-col gap-1 md:gap-3 lg:w-[calc(100%-115px)]\"\u003e\n\u003cdiv class=\"flex flex-grow flex-col gap-3 max-w-full\"\u003e\n\u003cdiv class=\"min-h-[20px] flex flex-col items-start gap-3 overflow-x-auto whitespace-pre-wrap break-words\"\u003e\n\u003cdiv class=\"markdown prose w-full break-words dark:prose-invert light\"\u003e\n\u003cdiv class=\"group w-full text-token-text-primary border-b border-black\/10 dark:border-gray-900\/50 bg-gray-50 dark:bg-[#444654]\" data-testid=\"conversation-turn-43\"\u003e\n\u003cdiv class=\"p-4 justify-center text-base md:gap-6 md:py-6 lg:px-0 m-auto\"\u003e\n\u003cdiv class=\"flex flex-1 gap-4 text-base mx-auto md:gap-6 md:max-w-2xl lg:max-w-[38rem] xl:max-w-3xl }\"\u003e\n\u003cdiv class=\"relative flex w-[calc(100%-50px)] flex-col gap-1 md:gap-3 lg:w-[calc(100%-115px)]\"\u003e\n\u003cdiv class=\"flex flex-grow flex-col gap-3 max-w-full\"\u003e\n\u003cdiv class=\"min-h-[20px] flex flex-col items-start gap-3 overflow-x-auto whitespace-pre-wrap break-words\"\u003e\n\u003cdiv class=\"markdown prose w-full break-words dark:prose-invert light\"\u003e\n\u003cp\u003eEnsure confidence in your handheld XRF measurements with the \u003cstrong data-end=\"553\" data-start=\"490\"\u003eERM-EC681m Handheld XRF Certified Reference Material (CRM)\u003c\/strong\u003e. Produced by the European Commission's Joint Research Centre (JRC), this certified low-density polyethylene (LDPE) reference material is specifically designed for the verification, quality control, and performance validation of handheld XRF analyzers used for RoHS, WEEE, and consumer goods compliance screening.\u003cspan class=\"PDq2pG_selectionAnchor\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"1147\" data-start=\"868\"\u003eERM-EC681m contains certified concentrations of multiple regulated elements commonly evaluated during hazardous substance screening, making it an excellent reference material for laboratories, manufacturers, importers, third-party testing facilities, and handheld XRF operators.\u003c\/p\u003e\n\u003cp data-end=\"1327\" data-start=\"1149\"\u003eThis CRM is ideal for routine instrument verification, analyst proficiency testing, method validation, calibration verification, and demonstrating ongoing instrument performance.\u003c\/p\u003e\n\u003cp data-end=\"1531\" data-start=\"1329\"\u003eWhether you're screening toys, electronics, plastics, cables, consumer products, or industrial polymers, ERM-EC681m provides a trusted certified standard for maintaining confidence in your XRF results.\u003c\/p\u003e\n\u003ch2 class=\"PDq2pG_selectionAnchorContainer\" data-end=\"1553\" data-start=\"1538\" data-section-id=\"mu966k\"\u003eApplications\u003cspan class=\"PDq2pG_selectionAnchor\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cul data-end=\"1957\" data-start=\"1555\"\u003e\n\u003cli data-end=\"1582\" data-start=\"1555\" data-section-id=\"4rz4jj\"\u003eRoHS Compliance Screening\u003c\/li\u003e\n\u003cli data-end=\"1608\" data-start=\"1583\" data-section-id=\"g019yp\"\u003eWEEE Compliance Testing\u003c\/li\u003e\n\u003cli data-end=\"1633\" data-start=\"1609\" data-section-id=\"8g6qk0\"\u003eConsumer Goods Testing\u003c\/li\u003e\n\u003cli data-end=\"1661\" data-start=\"1634\" data-section-id=\"a05ugp\"\u003eElectronics Manufacturing\u003c\/li\u003e\n\u003cli data-end=\"1694\" data-start=\"1662\" data-section-id=\"nwr6a6\"\u003ePlastic Component Verification\u003c\/li\u003e\n\u003cli data-end=\"1719\" data-start=\"1695\" data-section-id=\"79famq\"\u003ePolymer Identification\u003c\/li\u003e\n\u003cli data-end=\"1750\" data-start=\"1720\" data-section-id=\"1elctmv\"\u003eQuality Control Laboratories\u003c\/li\u003e\n\u003cli data-end=\"1785\" data-start=\"1751\" data-section-id=\"fhebln\"\u003eThird-Party Testing Laboratories\u003c\/li\u003e\n\u003cli data-end=\"1816\" data-start=\"1786\" data-section-id=\"7ferx7\"\u003eIncoming Material Inspection\u003c\/li\u003e\n\u003cli data-end=\"1844\" data-start=\"1817\" data-section-id=\"1tohvpa\"\u003eFactory Quality Assurance\u003c\/li\u003e\n\u003cli data-end=\"1884\" data-start=\"1845\" data-section-id=\"15kbbmr\"\u003eHandheld XRF Performance Verification\u003c\/li\u003e\n\u003cli data-end=\"1908\" data-start=\"1885\" data-section-id=\"g6022e\"\u003eInstrument Validation\u003c\/li\u003e\n\u003cli data-end=\"1926\" data-start=\"1909\" data-section-id=\"rer2eu\"\u003eDaily QC Checks\u003c\/li\u003e\n\u003cli data-end=\"1957\" data-start=\"1927\" data-section-id=\"1p8ckgw\"\u003eISO 17025 Laboratory Support\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"PDq2pG_selectionAnchorContainer\" data-end=\"2000\" data-start=\"1964\" data-section-id=\"179zhbg\"\u003eCompatible Handheld XRF Analyzers\u003cspan class=\"PDq2pG_selectionAnchor\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp data-end=\"2112\" data-start=\"2002\"\u003eCompatible with virtually all handheld XRF analyzers designed for RoHS and consumer goods analysis, including Niton, Olympus\/Evident, SciAps, Bruker, Hitachi, etc.\u003c\/p\u003e\n\u003ch2 class=\"PDq2pG_selectionAnchorContainer\" data-end=\"2332\" data-start=\"2311\" data-section-id=\"v3ujlb\"\u003eCertified Elements\u003cspan class=\"PDq2pG_selectionAnchor\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp data-end=\"2363\" data-start=\"2334\"\u003eERM-EC681m is certified for:\u003c\/p\u003e\n\u003cul data-end=\"2520\" data-start=\"2365\"\u003e\n\u003cli data-end=\"2379\" data-start=\"2365\" data-section-id=\"g3pcai\"\u003eArsenic (As)\u003c\/li\u003e\n\u003cli data-end=\"2394\" data-start=\"2380\" data-section-id=\"b5v03t\"\u003eBromine (Br)\u003c\/li\u003e\n\u003cli data-end=\"2409\" data-start=\"2395\" data-section-id=\"2gn02c\"\u003eCadmium (Cd)\u003c\/li\u003e\n\u003cli data-end=\"2425\" data-start=\"2410\" data-section-id=\"2fpw3i\"\u003eChlorine (Cl)\u003c\/li\u003e\n\u003cli data-end=\"2441\" data-start=\"2426\" data-section-id=\"ojdo36\"\u003eChromium (Cr)\u003c\/li\u003e\n\u003cli data-end=\"2456\" data-start=\"2442\" data-section-id=\"stv4wx\"\u003eMercury (Hg)\u003c\/li\u003e\n\u003cli data-end=\"2468\" data-start=\"2457\" data-section-id=\"m4nw1j\"\u003eLead (Pb)\u003c\/li\u003e\n\u003cli data-end=\"2481\" data-start=\"2469\" data-section-id=\"1yjgsk1\"\u003eSulfur (S)\u003c\/li\u003e\n\u003cli data-end=\"2497\" data-start=\"2482\" data-section-id=\"mu8can\"\u003eAntimony (Sb)\u003c\/li\u003e\n\u003cli data-end=\"2508\" data-start=\"2498\" data-section-id=\"e7y6hz\"\u003eTin (Sn)\u003c\/li\u003e\n\u003cli data-end=\"2520\" data-start=\"2509\" data-section-id=\"1jzda0z\"\u003eZinc (Zn)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"PDq2pG_selectionAnchorContainer\" data-end=\"2538\" data-start=\"2527\" data-section-id=\"1ix3rke\"\u003eMaterial\u003cspan class=\"PDq2pG_selectionAnchor\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cul data-end=\"2714\" data-start=\"2540\"\u003e\n\u003cli data-end=\"2573\" data-start=\"2540\" data-section-id=\"1ykcpg0\"\u003eLow Density Polyethylene (LDPE)\u003c\/li\u003e\n\u003cli data-end=\"2611\" data-start=\"2574\" data-section-id=\"1f3il7s\"\u003eGranular polymer reference material\u003c\/li\u003e\n\u003cli data-end=\"2648\" data-start=\"2612\" data-section-id=\"1k30gs2\"\u003eCertified Reference Material (CRM)\u003c\/li\u003e\n\u003cli data-end=\"2714\" data-start=\"2649\" data-section-id=\"1uovx4g\"\u003eProduced by the European Commission Joint Research Centre (JRC)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"PDq2pG_selectionAnchorContainer\" data-end=\"2736\" data-start=\"2721\" data-section-id=\"5rwgr3\"\u003eTypical Uses\u003cspan class=\"PDq2pG_selectionAnchor\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cul data-end=\"2982\" data-start=\"2738\"\u003e\n\u003cli data-end=\"2781\" data-start=\"2738\" data-section-id=\"jhuwpx\"\u003eDaily instrument performance verification\u003c\/li\u003e\n\u003cli data-end=\"2808\" data-start=\"2782\" data-section-id=\"12vaqbf\"\u003eCalibration verification\u003c\/li\u003e\n\u003cli data-end=\"2844\" data-start=\"2809\" data-section-id=\"xlftku\"\u003eMeasurement repeatability studies\u003c\/li\u003e\n\u003cli data-end=\"2863\" data-start=\"2845\" data-section-id=\"1djdams\"\u003eAnalyst training\u003c\/li\u003e\n\u003cli data-end=\"2892\" data-start=\"2864\" data-section-id=\"12kbvl\"\u003eLaboratory quality control\u003c\/li\u003e\n\u003cli data-end=\"2912\" data-start=\"2893\" data-section-id=\"1yab8cc\"\u003eMethod validation\u003c\/li\u003e\n\u003cli data-end=\"2952\" data-start=\"2913\" data-section-id=\"1enxgt\"\u003ePreventative maintenance verification\u003c\/li\u003e\n\u003cli data-end=\"2982\" data-start=\"2953\" data-section-id=\"53p61f\"\u003eCustomer acceptance testing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"PDq2pG_selectionAnchorContainer\" data-end=\"3021\" data-start=\"2989\" data-section-id=\"1umwube\"\u003eWhy Purchase from Alloy Geek?\u003cspan class=\"PDq2pG_selectionAnchor\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp data-end=\"3275\" data-start=\"3023\"\u003eAt Alloy Geek, we specialize exclusively in handheld XRF technology. Every certified reference material we offer is selected specifically for handheld XRF performance verification and supported by experts who understand real-world instrument operation.\u003c\/p\u003e\n\u003cp data-end=\"3457\" data-start=\"3277\"\u003eWhether you're performing incoming inspections, RoHS compliance screening, or production quality control, we help ensure your handheld XRF delivers reliable and defensible results.\u003c\/p\u003e\n\u003cp data-end=\"3479\" data-start=\"3459\"\u003e\u003cstrong data-end=\"3479\" data-start=\"3459\"\u003eDo Good Science.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCRM Number\u003c\/td\u003e\n\u003ctd\u003eERM-EC681m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eLow Density Polyethylene (LDPE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForm\u003c\/td\u003e\n\u003ctd\u003ePolymer Granules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntended Use\u003c\/td\u003e\n\u003ctd\u003eHandheld XRF Verification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eRoHS, WEEE, Consumer Goods\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertified Elements\u003c\/td\u003e\n\u003ctd\u003eAs, Br, Cd, Cl, Cr, Hg, Pb, S, Sb, Sn, Zn\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertificate Included\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTraceability\u003c\/td\u003e\n\u003ctd\u003eEuropean Commission Joint Research Centre (JRC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eERM-EC681m Certified Reference Material\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0591\/2671\/0411\/files\/ERM-EC681m_certificate_2.pdf?v=1783356878\"\u003eOfficial ERM-EC681m Certificate of Analysis\u003c\/a\u003e (PDF)\u003c\/li\u003e\n\u003cli\u003eProtective packaging for shipment and storage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 data-section-id=\"1r8frcv\" data-start=\"205\" data-end=\"234\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3 data-section-id=\"xja9c4\" data-start=\"236\" data-end=\"260\"\u003eWhat is ERM-EC681m?\u003c\/h3\u003e\n\u003cp data-start=\"262\" data-end=\"642\"\u003eERM-EC681m is a certified reference material (CRM) produced by the European Commission Joint Research Centre (JRC). It consists of low-density polyethylene (LDPE) granules with certified concentrations of multiple elements commonly evaluated during RoHS and consumer goods compliance testing. It is widely used for quality control, instrument verification, and method validation.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1w60naw\" data-start=\"649\" data-end=\"682\" class=\"PDq2pG_selectionAnchorContainer\"\u003eWhat is ERM-EC681m used for?\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp data-start=\"684\" data-end=\"836\"\u003eERM-EC681m is primarily used to verify the performance of handheld XRF analyzers during the analysis of plastics and polymers. It is commonly used for:\u003c\/p\u003e\n\u003cul data-start=\"838\" data-end=\"1008\"\u003e\n\u003cli data-section-id=\"qo4al9\" data-start=\"838\" data-end=\"869\"\u003eDaily instrument verification\u003c\/li\u003e\n\u003cli data-section-id=\"12kbvl\" data-start=\"870\" data-end=\"898\"\u003eLaboratory quality control\u003c\/li\u003e\n\u003cli data-section-id=\"1yab8cc\" data-start=\"899\" data-end=\"918\"\u003eMethod validation\u003c\/li\u003e\n\u003cli data-section-id=\"1djdams\" data-start=\"919\" data-end=\"937\"\u003eAnalyst training\u003c\/li\u003e\n\u003cli data-section-id=\"xlftku\" data-start=\"938\" data-end=\"973\"\u003eMeasurement repeatability studies\u003c\/li\u003e\n\u003cli data-section-id=\"8se6hz\" data-start=\"974\" data-end=\"1008\"\u003ePerformance monitoring over time\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1ufeelf\" data-start=\"1015\" data-end=\"1077\" class=\"PDq2pG_selectionAnchorContainer\"\u003eWhich handheld XRF analyzers are compatible with this CRM?\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp data-start=\"1079\" data-end=\"1352\"\u003eERM-EC681m is compatible with virtually all handheld XRF analyzers designed for plastics, RoHS, and consumer goods applications, including instruments from Thermo Scientific Niton, Evident Vanta, Olympus Delta, Hitachi, Bruker, SciAps, Viken, and many other manufacturers.\u003c\/p\u003e\n\u003ch3 data-section-id=\"iwsd6q\" data-start=\"1359\" data-end=\"1400\" class=\"PDq2pG_selectionAnchorContainer\"\u003eIs this reference material certified?\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp data-start=\"1402\" data-end=\"1653\"\u003eYes. ERM-EC681m is a certified reference material (CRM) produced by the European Commission Joint Research Centre (JRC). Each unit includes the official certificate listing the certified values, associated uncertainties, and traceability information.\u003c\/p\u003e\n\u003ch3 data-section-id=\"ae9tsf\" data-start=\"1660\" data-end=\"1692\" class=\"PDq2pG_selectionAnchorContainer\"\u003eWhat elements are certified?\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp data-start=\"1694\" data-end=\"1736\"\u003eERM-EC681m includes certified values for:\u003c\/p\u003e\n\u003cul data-start=\"1738\" data-end=\"1893\"\u003e\n\u003cli data-section-id=\"g3pcai\" data-start=\"1738\" data-end=\"1752\"\u003eArsenic (As)\u003c\/li\u003e\n\u003cli data-section-id=\"b5v03t\" data-start=\"1753\" data-end=\"1767\"\u003eBromine (Br)\u003c\/li\u003e\n\u003cli data-section-id=\"2gn02c\" data-start=\"1768\" data-end=\"1782\"\u003eCadmium (Cd)\u003c\/li\u003e\n\u003cli data-section-id=\"2fpw3i\" data-start=\"1783\" data-end=\"1798\"\u003eChlorine (Cl)\u003c\/li\u003e\n\u003cli data-section-id=\"ojdo36\" data-start=\"1799\" data-end=\"1814\"\u003eChromium (Cr)\u003c\/li\u003e\n\u003cli data-section-id=\"stv4wx\" data-start=\"1815\" data-end=\"1829\"\u003eMercury (Hg)\u003c\/li\u003e\n\u003cli data-section-id=\"m4nw1j\" data-start=\"1830\" data-end=\"1841\"\u003eLead (Pb)\u003c\/li\u003e\n\u003cli data-section-id=\"1yjgsk1\" data-start=\"1842\" data-end=\"1854\"\u003eSulfur (S)\u003c\/li\u003e\n\u003cli data-section-id=\"mu8can\" data-start=\"1855\" data-end=\"1870\"\u003eAntimony (Sb)\u003c\/li\u003e\n\u003cli data-section-id=\"e7y6hz\" data-start=\"1871\" data-end=\"1881\"\u003eTin (Sn)\u003c\/li\u003e\n\u003cli data-section-id=\"1jzda0z\" data-start=\"1882\" data-end=\"1893\"\u003eZinc (Zn)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1ux2nqm\" data-start=\"1900\" data-end=\"1962\" class=\"PDq2pG_selectionAnchorContainer\"\u003eCan this CRM be used to calibrate a handheld XRF analyzer?\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp data-start=\"1964\" data-end=\"2303\"\u003eERM-EC681m is intended primarily for instrument verification, quality control, and method validation rather than factory calibration. Most handheld XRF analyzers are calibrated using proprietary manufacturer calibration procedures. This CRM is ideal for confirming that your instrument continues to perform within expected specifications.\u003c\/p\u003e\n\u003ch3 data-section-id=\"hawo66\" data-start=\"2310\" data-end=\"2363\" class=\"PDq2pG_selectionAnchorContainer\"\u003eIs this CRM suitable for RoHS compliance testing?\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp data-start=\"2365\" data-end=\"2682\"\u003eYes. ERM-EC681m was specifically developed to support laboratories and manufacturers performing RoHS and WEEE screening of plastic materials. It provides certified concentrations of several elements commonly evaluated during compliance testing and is an excellent quality control material for handheld XRF screening.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1rnd8o6\" data-start=\"2689\" data-end=\"2762\" class=\"PDq2pG_selectionAnchorContainer\"\u003eDoes handheld XRF determine the chemical form of bromine or chromium?\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp data-start=\"2764\" data-end=\"3178\"\u003eNo. Handheld XRF measures the total concentration of bromine (Br) and chromium (Cr), but it cannot determine the chemical species or oxidation state. For example, XRF cannot distinguish between restricted and unrestricted brominated compounds, nor can it differentiate hexavalent chromium (Cr(VI)) from trivalent chromium (Cr(III)). Additional laboratory methods are required when chemical speciation is necessary.\u003c\/p\u003e\n\u003ch3 data-section-id=\"7v8\" data-start=\"3185\" data-end=\"3257\" class=\"PDq2pG_selectionAnchorContainer\"\u003eWhy is bromine included if RoHS restricts specific flame retardants?\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp data-start=\"3259\" data-end=\"3563\"\u003eHandheld XRF is a screening technology. Measuring total bromine helps identify materials that may contain brominated flame retardants. Elevated bromine levels often indicate that additional laboratory testing may be appropriate to determine whether restricted compounds such as PBBs or PBDEs are present.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1s873g4\" data-start=\"3570\" data-end=\"3613\" class=\"PDq2pG_selectionAnchorContainer\"\u003eWhat material is ERM-EC681m made from?\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp data-start=\"3615\" data-end=\"3830\"\u003eERM-EC681m consists of low-density polyethylene (LDPE) granules. The polymer matrix closely resembles many consumer plastic products, making it well suited for verifying handheld XRF performance on polymer samples.\u003c\/p\u003e\n\u003ch3 data-section-id=\"ylywp5\" data-start=\"3837\" data-end=\"3894\" class=\"PDq2pG_selectionAnchorContainer\"\u003eHow often should I verify my handheld XRF with a CRM?\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp data-start=\"3896\" data-end=\"4285\"\u003eMany laboratories and quality assurance programs perform a verification at the beginning of each workday, after instrument maintenance, following calibration changes, or whenever measurement accuracy needs to be confirmed. The appropriate verification frequency should be established by your organization's quality management system and applicable regulatory or accreditation requirements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Alloy Geek","offers":[{"title":"X-Ray Fluorescence (XRF) \/ Certified Reference Material","offer_id":47900924706955,"sku":"AG-CRM-ERM-EC681M-HHXRF","price":250.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0591\/2671\/0411\/files\/ERM-EC681m_ISO.jpg?v=1783357126","url":"https:\/\/alloygeek.com\/products\/erm-ec681m-rohs-polymer-certified-reference-material","provider":"Alloy Geek","version":"1.0","type":"link"}