Calcium Carbonate Chelometric Standard Powder ACS size:125 GM Test Specification Min Max ASSAY

Test Specification Min Max ASSAY (ANHYDROUS BASIS) as ASCORBIC ACID 73

0002N STANDARDIZED AGAINST NIST EXPIRATION DATE

Test Specification Min Max ASSAY (ANHYDROUS BASIS) 99% 99% LOSS ON DRYING 2%

02% WATER-SOLUBLE SUBSTANCES 0

Calcium Carbonate Chelometric Standard Powder ACS size:125 GM Test Specification Min Max ASSAYTest Specification Min Max ASSAY (CaCO[@3@]) 99. 95 100. 05 % 99. 95 100. 05 % INSOLUBLE IN DILUTE HCl 0. 01% CHLORIDE (Cl) 0. 00% FLUORIDE 0. 00% SULFATE 0. 01% AMMONIUM (NH[@4@]) 0. 00% BARIUM 0. 01% HEAVY METALS (as Pb) 0. 00% IRON (Fe) 0. 00% MAGNESIUM (Mg) 0. 01% POTASSIUM (K) 0. 01% SODIUM (Na) 0. 01% STRONTIUM (Sr) 0. 10% RETEST DATE