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: 氧化锌(ZnO) 规格: 分析纯
Product: Zinc oxide Specification: AR
标准依据: GB/T2890—1997 批号: 20110223
Standard: GB/T2890—1997 Batch No: 20110223
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)
|
淡黄色结晶性粉末
(Pale yellow crystalline powder)
|
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)
|
稀硫酸不溶物
(Dilute sulphuric acid insoluble substance)
|
0.01%
|
0.0045%
|
游离碱
(Free alkali)
|
应符合规定
(Comply with the standard)
|
合格
(Conform)
|
氯化物
(Chloride)
|
0.001%
|
0.0006%
|
硫化合物
(Sulfur compounds)
|
0.01%
|
0.004%
|
硝酸盐
(Nitrites)
|
0.003%
|
0.0012%
|
锰
(Manganese)
|
0.0005%
|
0.0003%
|
铁
(Iron)
|
0.0005%
|
0.0002%
|
砷
(Arsenic)
|
0.00005%
|
0.00003%
|
铅
(Plumbum)
|
0.005%
|
0.002%
|
还原高锰酸钾物质
(Potassium permanganate-reducing)
|
0.002%
|
0.001%
|
硫化铵不沉淀物
(Non-sludging to ammoniumsulfide)
|
0.1%
|
0.06%
|
结论(Conclusion):符合分析纯之规定(The above product complies with AR)
|