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Calcium Carbonate is a chemical compound with the formula CaCO3. It is naturally occurring as calcite, limestone, chalk, leafy vegetables. Calcium Carbonate is formed when calcium ions in hard water react with carbonate ions.
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Calcium Carbonate is the carbonic salt of calcium, with the formula CaCO3.
Items | Specification | Test Methods |
---|---|---|
Physical Analysis | ||
Description | Powder | Organoleptic |
Color | White | Organoleptic |
Odor | Characteristic | Organoleptic |
Taste | Characteristic | Organoleptic |
Loss on drying | NMT 2.0% w/w | USP<731> |
Limit of fluoride | NMT 50 ppm | USP |
Barium | Passes the test | USP |
Acid insoluble ash | NMT 0.20% | USP<561> |
Magnesium and alkali salts | NMT 1.0% | USP |
Calcium carbonate (Dry base) | 98.0% - 100.5% | USP |
Identification | Passes the test | USP |
Total Heavy Metals | NMT 10 ppm | USP<231> |
Lead | NMT 0.5 ppm | USP<232> |
Arsenic | NMT 1 ppm | USP<232> |
Mercury | NMT 0.5 ppm | USP<232> |
Cadmium | NMT 0.5 ppm | USP<232> |
Iron | NMT 1000 ppm | USP<232> |
Microbiology Test | ||
Total Plate Count | NMT 10,000 cfu/g | USP<61> |
Yeast & Mold | NMT 1000 cfu/g | USP<61> |
E. Coli | Negative | USP<62> |
Salmonella | Negative | USP<62> |
Staphylococcus aureus | Negative | USP<62> |
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