| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Characteristics | White crystals | Conforms |
| Remnant in water | ≤0.10% | 0.05% |
| Chloride | ≤0.005% | 0.002% |
| Iron | ≤0.002% | <0.002% |
| Heavy metals | ≤0.001% | <0.001% |
| Assay | ≥98.0% | 98.20% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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