| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | A white crystalline powder | Meets requirements |
| Identification | To pass test | Passes test |
| Loss on drying | ≤3.0% | 2.0% |
| Heavy metals | ≤20ppm | ＜20ppm |
| Lead | ≤10ppm | ＜10ppm |
| Reducing substance | ≤1.0% | ＜1.0% |
| Organic volatile impurities | Meets requirements | Meets requirements |
| Assay | 97.0%~103.0% | 99.8% |
| Potassium content | ----------------- | 16.66% |
| Particle size | Through 60 mesh | 90% |
| Conclusion: The Product Conforms to USP/FCC. |
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