| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | White crystals | Conforms |
| Chloride (Cl) | ≤0.01% | <0.01% |
| Iron(Fe) | ≤0.001% | <0.001% |
| Sulfate(SO4) | ≤0.008% | <0.008% |
| Phosphate(Pb) | ≤0.20% | <0.20% |
| Assay( K3PO3) | ≥98.0% | 98.76% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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