≥1 piece |
according to:USP29(Calcium Carbonate)
Dry base:98%--100.5%
Loss on drying | ≤ % | 1.0 |
Acid-insoluble substances | ≤ % | 0.30 |
Barium | ≤ % | 0.03 |
Arsenic | ≤ mg/kg | 3 |
Heavy metals | ≤ mg/kg | 10 |
Cadmium | ≥ mg/kg | 0.2 |
Fineness (mesh) | ≥ | 180 |