| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Characteristics | White powder | Conforms |
| Identification | Meet the requirements | Conforms |
| Loss on drying | ≤3.0% | 1.2% |
| Residue on ignition | ≤0.1% | 0.01% |
| Total impurities | ≤0.5% | 0.2% |
| Heavy metals | ≤20ppm | <20ppm |
| Assay | ≥99.0% | 99.88% |
| Conclusion: The Product Conforms to CVP. |
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