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)
|
无色透明结晶
(Colourless transparent crystal)
|
合格
(Conform)
|
含量
(Assay)
|
99.0%
|
99.40%
|
PH
(Ph)
|
7.5~9.2
|
8.2
|
氯化物
(Chloride)
|
0.035%
|
0.005%
|
硫酸盐
(Sulphates)
|
0.005%
|
0.003%
|
干燥失重
(Loss on drying)
|
38.0%~41.0%
|
39.5%
|
水不溶物
(Water-insoluble)
|
0.05 %
|
0.002 %
|
钙和镁
(Calcium and Magnesium)
|
应符合规定
(Comply with the standard)
|
合格
(Conform)
|
钾
(Potassium)
|
应符合规定
(Comply with the standard)
|
合格
(Conform)
|
铁
(Iron)
|
0.001%
|
0.0005%
|
重金属
(Heavy metal)
|
0.001%
|
0.0008%
|
砷
(Arsenic)
|
0.0003%
|
0.0002%
|
结论(Conclusion):符合药用级之规定(The above product complies with Pharmaceutical Grade)
|