| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | Colorless or white crystals | Conforms |
| Water-insoluble matter | ≤0.25% | <0.25% |
| H2SiF6 | ≤0.20% | <0.20% |
| MgSO4 | ≤0.50% | <0.50% |
| H2O | ≤0.60% | <0.60% |
| Assay(As MgSiF6) | ≥98.0% | 98.20% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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