| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | White crystalline powder | Conforms |
| Loss on drying | ≤1.0% | 0.18% |
| Residue on ignition | ≤0.10% | 0.07% |
| Heavy metals | ≤0.002% | 0.001% |
| PH | 4.0~6.0 | 5.3 |
| Assay | ≥99.0% | 99.50% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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