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)
白色结晶粉末
(White crystalline powder)
合格(Conform)
含量(Assay)
99.5%
99.9%
澄清度实验
(Appearance of solution)
应符合规定
(Comply with the standard)
水溶液反应
(Aqueous reaction)
溴化物(Bromides)
0.01%
0.003%
硫酸盐(Sulphates)
0.002%
0.0005%
磷酸盐(Phosphate)
0.001%
0.0001%
砷(Arsenic)
0.00005%
0.000001%
碘(Iodate)
0.0003%
钙(Calcium)
0.005%
0.0002%
铁(Iron)
0.000005%
钾(Potassium)
0.02%
镁(Magnesium)
钡(Barium)
重金属(Heavy metal)
氮化合物(Nitrogen compounds)
0.001%
干燥失重(Loss on drying)
0.5%
0.2%
亚铁氰化物(Ferrocyanide)
0.00003%
水不溶物(Water-insoluble)
结论(Conclusion):符合分析纯之规定(The above product complies with AR)