| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | White or whitish crystals or powder | Conforms |
| Melting point | 197℃~200℃ | 198℃ |
| Loss on drying | ≤0.50% | 0.16% |
| Residue on ignition | ≤0.10% | 0.07% |
| Heavy metal | ≤20ppm | ＜20ppm |
| Assay(dried basis) | ≥99.0% | 99.80% |
| Conclusion: The Product Conforms to CVP. |
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