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:硫酸亚铁铵(Fe(NH4)2(SO4)2·6H2O) 规格: 分析纯
Product: Ammonium ferrous sulfate hexahydrate Specification : AR
标准依据: GB/T661—1992 批号:
Standard: GB/T661—1992 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)
|
浅蓝绿色结晶性粉末
(Pale green crystalline powder)
|
合格
(Conform)
|
含量
(Assay)
|
99.5%
|
99.6%
|
PH
(Ph)
|
3~5
|
4.2
|
水不溶物
(Water-insoluble)
|
0.005%
|
0.005%
|
氯化物
(Chloride)
|
0.001%
|
0.0008%
|
磷酸盐
(Phosphate)
|
0.0005
|
0.0005
|
锰
(Manganese)
|
0.05%
|
0.04%
|
高铁
(Ferric)
|
0.01%
|
0.01%
|
铜
(Cuprum)
|
0.002%
|
0.002%
|
锌
(Zinc)
|
0.005%
|
0.003%
|
铅
(Plumbum)
|
0.002%
|
0.001%
|
氨水不沉淀物(以硫酸盐计)
(Non-sludging to ammonia water(as SO4))
|
0.1%
|
0.1%
|
结论(Conclusion):符合分析纯之规定(The above product complies with AR)
|