TIANJIN JINHUITAIYA CHEMICAL REAGENTS CO.,LTD
天津金汇太亚化学试剂有限公司
Test Report of Product 检验报告
品 名:: 硝酸钾(KNO3) 规格: 分析纯
Product: Potassium nitrate Specification : AR
标准依据: GB/T647—1993 批号:
Standard: GB/T647—1993 Batch No:
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%
|
99.0%
|
PH
(Ph)
|
5.0~8.0
|
7
|
澄清度实验
(Appearance of solution)
|
应符合规定
Comply with the standard)
|
合格
(Conform)
|
水不溶物
(Water-insoluble)
|
0.004%
|
0.004%
|
总氯量
(Total chloride)
|
0.003%
|
0.003%
|
碘酸盐
(Iodate)
|
0.0005%
|
0.0005%
|
硫酸盐
(Sulphates)
|
0.003%
|
0.003%
|
亚硝酸盐
(Nitrite)
|
0.001%
|
0.001%
|
铵
﹙Ammonia﹚
|
0.001%
|
0.001%
|
磷酸盐
(Phosphate)
|
0.0005%
|
0.0005%
|
钠
(Sodium)
|
0.02%
|
0.02%
|
镁
(Magnesium)
|
0.002%
|
0.002%
|
钙
(Calcium)
|
0.004%
|
0.004%
|
铁
(Iron)
|
0.0002%
|
0.0002%
|
重金属
(Heavy metal)
|
0.0005%
|
0.0005%
|
结论(Conclusion):符合分析纯之规定(The above product complies with AR)
|