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Analytical reference materials, standards and high purity solvents LGC Standards is Europe’s most comprehensive source of reference materials. We work closely with the leading manufacturers to provide laboratories worldwide with improved access to reference materials, covering an increasingly large range of parameters. |
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Reference materials for clinical applications LGC Standards combines expertise in analytical science,and experience in international standards, to offer laboratories throughout Europe the ideal solution tosourcing high quality certified reference materials. |
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Certified reference materials Assurance standards, single-element certified reference materials designed specifically for AA and ICP-AES analyes, are availabe from SPEX CertiPrep. The Assurance product line offers the quality in a calibration standard, for both AA and ICP-AES instrumentation, which today's methods require. With each solution you will receive a SPEXertificate that lists the actual measuredvalue of the main elements, by two independent methods and reports actual measured impurities of up to 30 elements which may be present in the final soution. Each Assurance standard is manufactured under an Underwriter's Laboratories,Inc. internationally accredited ISO 9001 quality assurance program. |
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Fusion Fluxes and Additives Fusion is an extremely effective method to prepare oxides, sulfides, fluorides, ferroalloys and metals for analysis by XRF, AA, ICP, etc.The samples are (if necessary) pulverized, and mixed with flux; this mixture is heated until the flux melts, and the sample dissolves in it, yielding a clear, homogeneous melt. The melt can be cast as a glass disc for XRF, or dissolved in diluted acid for analysis in solution form. In many cases fusion fluxing is simpler , or the analytical results more accurate, than if the sample were prepared by conventional acid dissolution or pressed powder methods. |
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