Items | Specification | Results |
Appearance | White crystal | Conforms |
Identification | Meets the requirement | Conforms |
Solubility | Meets the requirement | Conforms |
Absorption Coefficient | 465-495 | 493 |
Specific optical rotation | +105°- +112° | +106.1° |
Assay(40Miu/g) | 97%-103% (38,800,000-41,200,000IU/G) | 98.0% 39,200,000IU/G |
Heavy metal | ≤0.002% | <0.001% |
Arsenic | ≤0.0001% | <0.0001% |