| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | Yellow acicular crystallization | Conforms |
| Loss on drying | ≤0.50% | 0.22% |
| Sulphate ash | ≤0.10% | 0.06% |
| Heavy metals | ≤20ppm | <20ppm |
| Assay | ≥99.0% | 99.88% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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