| Testing Items | Specifications | Results |
| Appearance | White or off-white crystalline powder | Conforms |
| Transmittance | ≥98.0% | 98.6% |
| PH | 5.5~7.0 | 6.70 |
| Loss on drying | ≤0.20% | 0.13% |
| Residue on ignition | ≤0.10% | 0.07% |
| Chloride | ≤0.002% | <0.002% |
| Ammonium | ≤0.02% | <0.02% |
| Sulfate | ≤0.02% | <0.02% |
| Iron | ≤20ppm | <20ppm |
| Heavy metals | ≤10ppm | <10ppm |
| Arsenic | ≤1ppm | <1ppm |
| Assay | 98.5%~101.0% | 99.10% |
| Conclusion: The Product Conforms to AJI. |
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