ITEMS | STANDARD | RESULT |
1) Appearance: | White or almost white crystaler. | Conform |
2) Identify: | (A)UV meet the requirement (B)IR meet CRS (C)Color test | Conform Conform Conform |
3) Related substances: (HPLC) | Total impurities Max 0.5% Single impurity Max 0.2% | 0.3% 0.1% |
4) Heavy metal: | Max 10ppm | <10ppm |
5) Sulted ash | Max 0.1% | 0.056% |
6) Loss on drying: | Max 0.5% | 0.15% |
7) Assay: | 99.0-101.0% | 99.95% |