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Magnesium carbonate
Molecular formula: (MgCO3)4.Mg(OH)2.5H2O
| Content (count by MgO) | 40.0-44.5% |
| Non-volatile acids，Ammonium hydroxide deposition | ≤ 0.025% |
| Chloride(Cl) | ≤0.01?% |
| Nitrate(NO3) | ≤0.05 % |
| Phosphate(PO4) | ≤0.001% |
| Sulfate(SO4) | ≤0.02 % |
| Ba | ≤0.01 % |
| Ca | ≤0.15 % |
| Fe | ≤0.005 % |
| Alkali-carbonate | Pass |
| Solubles in water | ≤0.4% |
| Zn | ≤0.01% |
| Heavy metal (count by Pb) | ≤0.002% |
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