Customization: | Available |
---|---|
Powder: | Yes |
Customized: | Customized |
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Items |
Specifications |
Results |
Appearance |
White or milk whitecrystalline porder |
Qualified |
Identification |
Must pisitive |
Positive |
Odor |
Characteristicless |
Qualified |
Colour of solution |
Must qualified |
Qualified |
Related substances |
Must qualified |
Qualified |
Residual Solvent |
≤0.5% |
Qualified |
Acidity or alkalinity(PH) |
4.5-7.0 |
6.0 |
Absorptivity |
137 - 147 |
145 |
Optical rotation |
-1.27° -1.34° |
1.31° |
Heavy metals |
≤20ppm |
<20ppm |
Losson drying |
≤0.5% |
0.35% |
Sulphated ash |
≤0.1% |
0.05% |
Assay |
99.0-101.0% |
99.98% |