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Approximate value percentages S=13.74
Organic standards from Elemental Microanalysis are traceable to the National Institute of Standards and Technology (N.I.S.T.) Maryland USA and/or (where appropriate) other accredited certification organisations. These materials are suitable for use as working standards for elemental analysis and are supplied with batch Certificates of Analysis.
A table of all standards showing certified values is available in each of our catalogues.
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