| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | White crystalline powder | Conforms |
| Identification | Meet the requirement | Conforms |
| Melting point | 167.0℃~170.0℃ | 168.0℃ |
| Loss on drying | ≤1.0% | 0.30% |
| Residue on ignition | ≤0.1% | 0.04% |
| Heavy metals | ≤0.002% | 0.001% |
| Assay | 98.0%~102.0% | 99.45% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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