检 验 项 目
T e s t I t e m 检 验 标 准
T e s t S t a n d a r d 检 验 结 果
T e s t r e s u l t
性状
(Characters) 无色结晶
(colorless crystalline) 合格
(Conform)
含量
(Assay) 99.0% 99.5%
PH
(Ph) 6.0~7.5 合格
(Conform)
澄清度实验
(Appearance of solution) 应符合规定
(Comply with the standard) 合格
(Conform)
水不溶物
(Insoluble matter) 0.005% 0.0012%
氯化物
(Chloride) 0.02% 0.008%
***盐和亚***盐
(Sulphates and sulphite) 0.05% 0.02%
硫化物
(Sulfur compounds) 0.00025% 0.0001%
总氮量
(Total nitrogen) 0.005% 0.003%
镁
(Magnesium) 0.001% 0.0004%
钙
(Calcium) 0.003% 0.001%
铁
(Iron) 0.0005% 0.0002%
***
(He***y metal) 0.0005% 0.0002%
结论(Conclusion):符合分析纯之规定(The above product complies with AR)