- Chemical Name:Calcium Carbonate
- M. F. : CaCO3 3. M. W. : 100.09
- Physical properties: White and odorless powder
- Quality standard:USP
Name of index |
USP |
ASSAY(CaCO3) Dry basis, % |
98.0-100.5 |
Acid Insoluble substances, % |
≤0.2 |
Magnesium and alkali salts, % |
≤1.0 |
Iron, % |
≤0.003 |
Fluoride , % |
≤0.005 |
Loss on drying , % |
≤2.0 |
Barium,% |
≤0.03 |
Lead , % |
≤0.0003 |
Arsenic , % |
≤0.0003 |
Mercury,% |
≤0.0001 |
Heavy metals,% |
≤0.002 |
Organic Volatile Impurities |
Meets the requirement |
5.Packing: In 25kg composite plastic woven/paper bag with PE liner.
6.Storage and transport: To be stored in a dry and ventilative warehouse. Handled with care; Kept away from moisture, heat and poisonous substances.
7.Shelf life: 24 months