| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | White crystalline powder | Meets the requirements |
| Identification | To pass test | Passes test |
| Water | 3.0%~12.0% | 8.9% |
| PH | 6.0~7.8 | 6.2 |
| Heavy metals | ≤20ppm | ＜20ppm |
| Sulfate | ≤0.05% | 0.02% |
| Chloride | ≤0.07% | 0.02% |
| Lead | ≤10ppm | ＜10ppm |
| Reducing substances | ≤1.0% | 0.20% |
| Organic volatile impurities | Meets requirements | Meets requirements |
| Assay | 98.0%~102.0% | 100.7% |
| Magnesium(as Dihydrate) | 5.29%~5.50% | 5.43% |
| Particle size | Through 60 mesh | 90% |
| Conclusion: The Product Conforms to USP/FCC. |
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