|
Medicine grade |
Industrial grade |
Appearance |
White crystal |
White crystal |
Content≥ |
99% |
99% |
Moisture≤ |
0.3% |
0.3% |
Water-insoluble≤ |
0.02% |
0.02% |
Ash specification ≤ |
0.02% |
0.1% |
Water-solubility |
Qualified |
Qualified |
PH Value(4% water solution) |
11.4±0.2 |
11.4±0.2 |