检验项目 Testltem | 检验标准 Testltem |
性状 (Chaeacters) | 白色结晶体(WHite crystal) |
含量(Assay) | 97.0% |
水溶液反应(Aueous reaction) | 应符合规定(Comply with the standard) |
澄清度实验(Appearance of solution) | 应符合规定(Comply with the standard) |
水不溶物(Water-insoluble) | 0.025% |
硫酸盐(Sulphates) | 0.01% |
铵盐(Ammonium) | 0.002% |
铁(Iron) | 0.001% |
重金属(Heavy metal) | 0.0005% |
碱金属及碱土金属(Alkaline and alkaline earth metal) | 0.2% |