| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | White or off-white crystalline powder | Conforms |
| Identification | Meet the requirement | Conforms |
| Loss on drying | ≤0.5% | 0.18% |
| Residue on ignition | ≤0.2% | 0.02% |
| Heavy metals | ≤0.002% | 0.0001% |
| Assay | 98.5%~101.0% | 99.12% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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