{"product_id":"sdar-m2-soil-certified-reference-material","title":"SdAR-M2 Soil Certified Reference Material (CRM) for Handheld XRF Quality Control","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 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-5\"\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]\" data-testid=\"conversation-turn-35\"\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-37\"\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-41\" 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-43\" 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\u003ch2\u003eVerify Real-World Handheld XRF Performance with the SdAR-M2 Soil Certified Reference Material\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eSdAR-M2 Soil Certified Reference Material (CRM)\u003c\/strong\u003e is an ideal quality control standard for professionals who perform routine handheld XRF analysis on environmental soils, mining samples, and geochemical materials. Representing a \u003cstrong\u003emoderately contaminated soil matrix\u003c\/strong\u003e, SdAR-M2 bridges the gap between background soils and highly contaminated reference materials, making it one of the most practical CRMs for everyday instrument verification.\u003c\/p\u003e\n\u003cp\u003eWhether you're conducting Phase II Environmental Site Assessments (ESAs), brownfield investigations, mining exploration, industrial compliance testing, or laboratory quality assurance, SdAR-M2 helps verify that your handheld XRF continues to deliver accurate and repeatable analytical results.\u003c\/p\u003e\n\u003cp\u003eUnlike extremely low- or high-concentration standards, SdAR-M2 closely reflects the elemental concentrations encountered during many real-world environmental investigations, making it an excellent choice for daily quality control.\u003c\/p\u003e\n\u003cp\u003eAlloy Geek supplies genuine SdAR-M2 Certified Reference Material packaged for convenient laboratory and field use.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose SdAR-M2?\u003c\/h2\u003e\n\u003cp\u003eNot every quality control sample needs to represent pristine soil or heavily contaminated waste. Most handheld XRF projects fall somewhere in between.\u003c\/p\u003e\n\u003cp\u003eSdAR-M2 was developed to represent a moderate concentration soil matrix, allowing users to verify instrument performance where many environmental action levels, remediation projects, and mining samples are routinely encountered.\u003c\/p\u003e\n\u003cp\u003eFor many handheld XRF operators, this makes SdAR-M2 the CRM that spends the most time on the workbench.\u003c\/p\u003e\n\u003ch2\u003eTypical Applications\u003c\/h2\u003e\n\u003cp\u003eSdAR-M2 is commonly used for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDaily handheld XRF quality control\u003c\/li\u003e\n\u003cli\u003eEnvironmental consulting\u003c\/li\u003e\n\u003cli\u003eBrownfield investigations\u003c\/li\u003e\n\u003cli\u003ePhase II Environmental Site Assessments (ESAs)\u003c\/li\u003e\n\u003cli\u003eMining and mineral exploration\u003c\/li\u003e\n\u003cli\u003eGeochemical analysis\u003c\/li\u003e\n\u003cli\u003eInstrument performance verification\u003c\/li\u003e\n\u003cli\u003eCalibration verification\u003c\/li\u003e\n\u003cli\u003eLaboratory QA\/QC programs\u003c\/li\u003e\n\u003cli\u003eGovernment and regulatory testing\u003c\/li\u003e\n\u003cli\u003eUniversity research\u003c\/li\u003e\n\u003cli\u003eTraining and operator qualification\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCompatible Handheld XRF Analyzers\u003c\/h2\u003e\n\u003cp\u003eSdAR-M2 is compatible with virtually every modern handheld XRF analyzer designed for environmental, mining, and soil analysis.\u003c\/p\u003e\n\u003ch2\u003eWhy Use a Certified Reference Material?\u003c\/h2\u003e\n\u003cp\u003eQuality assurance begins with confidence in your measurements.\u003c\/p\u003e\n\u003cp\u003eUsing a Certified Reference Material allows you to verify that your handheld XRF continues producing results within expected limits before valuable field time is lost or analytical data becomes questionable.\u003c\/p\u003e\n\u003cp\u003eRoutine verification can help identify:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInstrument drift\u003c\/li\u003e\n\u003cli\u003eDetector contamination\u003c\/li\u003e\n\u003cli\u003eX-ray tube aging\u003c\/li\u003e\n\u003cli\u003eCalibration changes\u003c\/li\u003e\n\u003cli\u003eOperator inconsistencies\u003c\/li\u003e\n\u003cli\u003eUnexpected analytical bias\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMany organizations incorporate CRM testing into their standard operating procedures and ISO-compliant quality management systems.\u003c\/p\u003e\n\u003ch2\u003eCertified Elements\u003c\/h2\u003e\n\u003cp\u003eSdAR-M2 includes certified concentrations for numerous major and trace elements commonly analyzed by handheld XRF, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eArsenic (As)\u003c\/li\u003e\n\u003cli\u003eBarium (Ba)\u003c\/li\u003e\n\u003cli\u003eCadmium (Cd)\u003c\/li\u003e\n\u003cli\u003eChromium (Cr)\u003c\/li\u003e\n\u003cli\u003eCopper (Cu)\u003c\/li\u003e\n\u003cli\u003eIron (Fe)\u003c\/li\u003e\n\u003cli\u003eLead (Pb)\u003c\/li\u003e\n\u003cli\u003eManganese (Mn)\u003c\/li\u003e\n\u003cli\u003eNickel (Ni)\u003c\/li\u003e\n\u003cli\u003eZinc (Zn)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAdditional certified elements are included in the official Certificate of Analysis.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0591\/2671\/0411\/files\/SdAR-totals-data-sheet-v2-27-Sept-2020.pdf?v=1782568090\"\u003eDownload the official SdAR-M2 Certificate of Analysis\u003c\/a\u003e for complete certified values, uncertainties, and reference concentrations.\u003c\/p\u003e\n\u003ch2\u003eProduct Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Certified Reference Material (CRM)\u003c\/li\u003e\n\u003cli\u003eModerate-concentration soil matrix\u003c\/li\u003e\n\u003cli\u003eExcellent for routine handheld XRF verification\u003c\/li\u003e\n\u003cli\u003eCertified elemental concentrations\u003c\/li\u003e\n\u003cli\u003eIdeal for environmental and mining applications\u003c\/li\u003e\n\u003cli\u003eSuitable for daily QA\/QC programs\u003c\/li\u003e\n\u003cli\u003eStable, homogeneous material\u003c\/li\u003e\n\u003cli\u003eDigital Certificate of Analysis included\u003c\/li\u003e\n\u003cli\u003ePackaged by Alloy Geek for laboratory and field use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSdAR-M2 Soil Certified Reference Material\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0591\/2671\/0411\/files\/SdAR-totals-data-sheet-v2-27-Sept-2020.pdf?v=1782568090\"\u003eOfficial SdAR-M2 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\u003ch2\u003eWhy Buy from Alloy Geek?\u003c\/h2\u003e\n\u003cp\u003eAt Alloy Geek, handheld XRF isn't one of many product lines, it's our specialty.\u003c\/p\u003e\n\u003cp\u003eWe work with portable XRF analyzers every day across environmental, mining, alloy, recycling, and precious metals applications. Every Certified Reference Material we offer is selected because it provides meaningful value for handheld XRF users, not simply because it's available.\u003c\/p\u003e\n\u003cp\u003eOur goal is to help customers verify instrument performance with confidence while providing practical guidance drawn from real-world handheld XRF experience.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eIs SdAR-M2 a Certified Reference Material?\u003c\/h3\u003e\n\u003cp\u003eYes. SdAR-M2 is a Certified Reference Material (CRM) with certified elemental concentrations and documented uncertainties, making it suitable for professional quality assurance, calibration verification, and method validation.\u003c\/p\u003e\n\u003ch3\u003eWhy choose SdAR-M2 instead of SdAR-L2 or SdAR-H1?\u003c\/h3\u003e\n\u003cp\u003eSdAR-M2 represents a moderate-concentration soil matrix that closely reflects many routine environmental and mining samples. It is an excellent choice for everyday quality control, while SdAR-L2 is better suited for low-level verification and SdAR-H1 is intended for high-concentration contaminated soils.\u003c\/p\u003e\n\u003ch3\u003eCan I use SdAR-M2 to calibrate my handheld XRF?\u003c\/h3\u003e\n\u003cp\u003eSdAR-M2 is primarily intended for calibration verification, instrument quality control, and analytical method validation. Users developing custom calibrations should follow their instrument manufacturer's recommended procedures.\u003c\/p\u003e\n\u003ch3\u003eIs the Certificate of Analysis included?\u003c\/h3\u003e\n\u003cp\u003eYes. Every SdAR-M2 purchased from Alloy Geek includes the official digital Certificate of Analysis containing certified concentrations and associated uncertainties.\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":47637897805963,"sku":"AG-SDAR-M2-CRM-HHXRF","price":250.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0591\/2671\/0411\/files\/NIST2780ReferenceMaterialv26.3.17.jpg?v=1773752662","url":"https:\/\/alloygeek.com\/products\/sdar-m2-soil-certified-reference-material","provider":"Alloy Geek","version":"1.0","type":"link"}