| Testing Index | Specifications | Conclusion |
| Appearance | White solid | Conform |
| Specific rotation | -45.0°~-50.0° | -48.0° |
| Total Arsenic | ≤5ppm | <5ppm |
| Lead | ≤10ppm | <10ppm |
| Cadmium | ≤10ppm | <10ppm |
| Total Chromium | ≤200ppm | <200ppm |
| Sulfate | ≤0.40% | <0.40% |
| Assay(on dry basis) | ≥98.0% | 98.9% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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