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Zinc carbonate
Molecular formula: ZnCO3.2Zn(OH)2.H2O
Molecular weight: 342.15
Properties: white amorphous powder. Density 1.42-4.45. Insoluble in water, slightly soluble in ammonia, soluble in dilute acid.
| ZnO≥ | 70.0% |
| Non-solubles in HCl ≤ | 0.003% |
| Chloride(Cl) ≤ | 0.03% |
| Sulfate(SO4) ≤ | 0.03% |
| Nitrate (NO3) ≤ | 0.005% |
| Alkalinity0(count by Na2CO3) ≤ | 0.05% |
| As ≤ | 0.0005% |
| Fe ≤ | 0.005% |
| Pb ≤ | 0.005% |
| Alkali metals and alkaline earth ≤ | 0.2% |
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