| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | Greenish-brown crystalline powder | Conforms |
| Water insoluble matter | ≤1.50% | 0.52% |
| Ferrous Chloride(FeCl2) | ≤2.00% | 0.21% |
| Assay(FeCl3) | ≥96.0% | 96.80% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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