| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | Yellow or yellow-green crystalline powder | Conforms |
| Identification | Meet the requirement | Conforms |
| Loss on drying | ≤0.50% | 0.13% |
| Residue on ignition | ≤0.10% | 0.02% |
| Heavy metals | ≤20ppm | <20ppm |
| Assay | ≥99.00% | 99.51% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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