| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | White crystalline powder | Conforms |
| Identification | Meet the requirement | Conforms |
| Loss on drying | ≤0.2% | 0.05% |
| Heavy metals | ≤20ppm | 5ppm |
| Assay | ≥99.0% | 99.95% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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