| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | white or off-white powder | Conforms |
| Identification | UV max absorption in the wavelength of 242±2mn | Conforms |
| PH | 5.0~8.0 | 6.90 |
| Residue on ignition | ≤0.20% | 0.07% |
| Water | ≤4.00% | 2.00% |
| Related compounds | ≤2.00% | 0.27% |
| Heavy metal | ≤20ppm | <20ppm |
| Assay | ≥98.0% | 99.70% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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