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Product name

CAS

Formula

Calcium Carbonate

CAS471-34-1

FormulaCaCO3

SynonymCalcite, Limestone, Carbonic acid calcium salt (1:1)

IdentificationMeets USP

Loss on Drying<= 2.0% (USP)

Arsenic<= 3 ppm (USP)

Lead<= 3 ppm (USP)

Heavy Metals< 20 ppm (USP)

Mercury<= 0.5 ppm (USP)

Iron<= 0.1% (USP)

Tapped Bulk Density45 - 55.5 (USP)

Acid insolubles<= 0.2% (USP)

Fluoride<= 50 ppm (USP)

Assay98.0 - 100.5 (USP)

CAS1302-78-9

FormulaN/A

SynonymBentonite Salt, Bentonite clay, Bentonite, Bentonite. A colloidal clay. Consists primarily of montmorillonite (CI 77004)

pH9.5-10.5

Insolubilityin water and org. solvs.

Odorodorless, sl. earthy taste

Colorlight to cream-colored impalpable powder

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