Example analytes are listed below as a reference. Please download a current certificate at nist.gov/SRM for current analytes and certified values. Sulfate (SO4²-)
See certificate for values and more details at nist.gov/SRM.
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Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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