| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | White powder | Conforms |
| Melting point | 208℃~211℃ | 209℃~210℃ |
| Loss on drying | ≤0.50% | 0.12% |
| Ash content | ≤0.05% | <0.05% |
| Ca content | ≤200ppm | <200ppm |
| Assay | ≥99.5% | 99.95% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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