Test Items | Standards | Results |
Appearance | White or slightly yellow crystalline powder with slight odor | complies |
Assay | more than 98.0% | 98.71% |
Content | 400k~600k iu/g | 522k iu/g |
Loss on dry | less than 0.5% | 0.32% |
Crude Ash | less than 0.5% | 0.22% |
Rotation | -29.0 - -32.8 | -30.45° |
PH | 5.0-7.0 | 6.28 |