| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | White or yellowish crystals powder | Conforms |
| Loss on drying | ≤0.20% | 0.10% |
| Ash content | ≤0.8% | 0.06% |
| Single impurity | ≤0.5% | 0.12% |
| Purity (on dry base) | ≥99.0% | 99.60% |
| Conclusion: The Product Conforms to Enterprise Standard. |
||
