| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | White acicular crystals | Conforms |
| Melting point | 183.0℃~185.0℃ | 184.0℃ |
| Loss on drying | ≤0.50% | 0.12% |
| Residue on ignition | ≤0.10% | 0.01% |
| Assay(dry basis) | ≥99.5% | 99.40% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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