| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | White crystalline powder | Conforms |
| Loss on ignition(LOI) | ≤2.0% | 0.41% |
| Carbon Dioxide | ≤1.5% | 0.25% |
| Insoluble matter in acid | ≤0.15% | 0.04% |
| Magnesium and Alkali Salts | ≤1.0% | 0.23% |
| Fe | ≤0.05% | 0.01% |
| Pb | ≤0.0002% | <0.0002% |
| As | ≤0.0003% | <0.0003% |
| Purity(CaO) | ≥98.0% | 98.5% |
| Residue on 200mesh sieve | ≤5% | 1.4% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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