| 原産地: | 中国(本土) | 銘柄: | HH | タイプ: | 医学の遠心分離機 |
包装
| 包装: | 25kg/drum |
仕様
TESTING ITEMS | SPECIFICATION |
Appearance | White or similar sheet crystal or powder |
Solubility in alcohol | Clear and no deposit |
Identification A | the chloroform acquires a blood-red color and the sulfuric aicd shows a green fluorescence. |
Identification B | a pink color is produced, and it rapidly changes to red, then to blue, and finally to a brilliant green. |
Melting range | ≥147°C |
Specific rotation | -34º~ -38° |
Acidity | ≤0.3 ml |
Loss on drying | ≤0.3% |
Residue on ignition | ≤0.1% |
Assay | ≥95% |
Total sterols | ≥98% |
Sulphate ash | ≤0.1% |
