| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | White crystals | Conforms |
| Melting point | 70℃~75℃ | 73℃ |
| Loss on drying | ≤0.50% | 0.12% |
| Iron content | ≤0.005% | <0.005% |
| Sulphate(SO4) | ≤0.008% | <0.008% |
| Phosphate(PO4) | ≤0.20% | <0.20% |
| Chloride(Cl) | ≤100ppm | <100ppm |
| Assay | ≥99.0% | 99.56% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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