| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | White to off-white powder | Meets the requirements |
| Identification | To pass test | Passes test |
| Loss on drying | ≤2.0% | 1.10% |
| Heavy metals | ≤10ppm | ＜10ppm |
| Sulfate | ≤0.05% | 0.02% |
| Chloride | ≤0.07% | 0.02% |
| Arsenic | ≤3ppm | 0.7ppm |
| Lead | ≤10ppm | ＜10ppm |
| Reducing substances | ≤1.0% | 0.30% |
| Organic volatile impurities | Meets requirements | Meets requirements |
| Assay | 98.0%~102.0% | 100.6% |
| Calcium (as monohydrate) | --------------- | 9.0% |
| Particle size | Through 40 mesh | 90% |
| Conclusion: The Product Conforms to USP/FCC. |
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