| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | White or light yellow crystals powder | Conforms |
| Identification | Meet the requirement | Conforms |
| Loss on drying | ≤1.5% | 0.8% |
| Residue on ignition | ≤0.1% | 0.03% |
| Heavy metals | ≤0.002% | 0.001% |
| Assay | 98.5%~101.0% | 99.80% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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