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 crystal)
|
合格
(Conform)
|
含量
(Assay)
|
99.0%
|
99.20%
|
游离酸
(Free acid)
|
25.36%~25.70%
|
25.6%
|
氯化物
(Chloride)
|
0.01%
|
0.01%
|
氟硅酸钾
(Potassium silicofluoride)
|
0.15%
|
0.1%
|
硫酸盐
(Sulphates)
|
0.01%
|
0.008%
|
亚硫酸盐
(Sulfites)
|
0.005%
|
0.003%
|
铝
(Aluminum)
|
0.005%
|
0.002%
|
铁
(Iron)
|
0.002%
|
0.002%
|
钠
(Sodium)
|
2%
|
1%
|
重金属
(Heavy metal)
|
0.003%
|
0.002%
|
结论(Conclusion):符合分析纯之规定(The above product complies with AR)
|