Elemental Microanalysis - Model B2250 -Calcium Carbonate 12% 501-034

A pproximate value percentages C=12.00. 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.