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: 碳酸钾(K2CO3) 规格: 分析纯
Product: Potassium carbonate Specification : A R
标准依据: GB/T1397-1995 批号: 20110216
Standard: GB/T1397-1995 Batch No: 20110216
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)
|
白色颗粒
(White granules)
|
合格
(Conform)
|
含量
(Assay)
|
99.0%
|
99.5%
|
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 )
|
0.005%
|
0.002%
|
干燥失重
(Loss on drying)
|
1.0%
|
0.3%
|
氯化物
(Chloride)
|
0.003%
|
0.0016%
|
硫化合物
(Sulfur compounds)
|
0.003%
|
0.001%
|
氮
(nitrogen)
|
0.001%
|
0.0005%
|
磷酸盐及硅酸盐
(phosphate and silicate)
|
0.005%
|
0.0023%
|
钠
(Sodium)
|
0.05%
|
0.018%
|
镁
(magnesium )
|
0.002%
|
0.001%
|
钙
(Calcium)
|
0.002%
|
0.001%
|
铁
(Iron)
|
0.0005%
|
0.0002%
|
铜
(Cuprum)
|
0.0005%
|
0.0003%
|
铅
(plumbum)
|
0.0005%
|
0.0003%
|
结论(Conclusion):符合分析纯之规定(The above product complies with AR)
|