| ≥1 piece |
Biological calcium carbonate (Oyster shell powder)
CaCO 3
White powder
| Item | QB1413-99 | |
| CaCO 3 (dry base) | ≥ % | 97.6 |
| 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 |
25 kg / paper plastic complex bag.