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:硝酸锌(Zn〔NO3〕2·6H2O) 规格: 分析纯
Product: Zinc nitrate hexahydrate Specification : AR
标准依据: GB/T667—1995 批号:
Standard: GB/T667—1995 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)
|
白色结晶
(White crystal)
|
合格
(Conform)
|
含量
(Assay)
|
99.0%
|
99.05%
|
PH
(Ph)
|
3.5
|
3.5
|
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%
|
0.005%
|
氯化物
(Chloride)
|
0.001%
|
0.001%
|
硫酸盐
(Sulphates)
|
0.002%
|
0.001%
|
铁
(Iron)
|
0.0003%
|
0.0003%
|
铅
(Plumbum)
|
0.005%
|
0.004%
|
硫化氢不沉淀物
(Non-sludging to hydrogen sulfide)
|
0.10%
|
0.10%
|
结论(Conclusion):符合分析纯之规定(The above product complies with AR)
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