| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Characteristics | White powder | Conforms |
| Identification | Conforming to the requirements | Conforms |
| Transmittancy | ≥95.0% | 98.0% |
| PH | 6.0~8.0 | 6.4 |
| Specific optical rotation | +20.0°~+23.0° | +22.1° |
| Loss on drying | ≤8.0% | 6.4% |
| Chloride (Cl) | ≤0.02% | <0.02% |
| Ammonium (NH4) | ≤0.02% | <0.02% |
| Sulfate (SO4) | ≤0.03% | <0.03% |
| Heavy metals (Pb) | ≤10ppm | <10ppm |
| Iron (Fe) | ≤10ppm | <10ppm |
| Arsenic (As) | ≤1ppm | <1ppm |
| Magnesium content | 8.0%~8.7% | 8.68% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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