BUY CALCIUM CARBONATE, REAGENT GRADE (ACS)

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General Chemical Specifications for Calcium Carbonate, Reagent Grade (ACS):
Assay (Dried Basis)    Min. 99.0%
MAXIMUM LIMITS
Insoluble in Dilute Hydrochloric Acid    0.01%
Chloride (Cl)    0.001%
Fluoride (F)    0.0015%
Sulfate (SO4)    0.01%
Ammonium (NH4)    0.003%
Barium (Ba)    0.01%
Heavy Metals (as Pb)    0.001%
Iron (Fe)    0.003%
Magnesium (Mg)    0.02%
Potassium (K)    0.01%
Sodium (Na)    0.1%
Strontium (Sr)    0.1%

Specifications for Calcium Carbonate, 99.999%
TEST
1. Assay (metals basis) 99.999% min.

Storage Information for Calcium Carbonate:
HYGROSCOPIC: Keep tightly closed.

Shipping Information for Calcium Carbonate:
DOT NOT REGULATED