ITEMS | STANDARDS |
Characters | White or almost white,crystalline powder,or crystals |
Identification | Meet the requirements |
Solubility | Freely soluble in water, practically insoluble in acetone and in ethanol(96 percent) |
Appearance of solution | Solution S is not more opalescent than reference suspension II and not more intensely coloured than reference solution Y6 |
Alkalinity | Meet the requirements |
Glyceol and ethanol -soluble substances |
NMT 1.0% |
Chlorides | NMT 0.02% |
Sulphates | NMT 0.05% |
Water | 25.0-35.0% |
Iron | NMT 0.002% |
Heavy Metal | NMT 20ppm |
Assay |
98.0~105.0% (Anhydrous substance) |
About Us Products News Contact Us
冀ICP备17011004号