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: 磷酸二氢铵(NH4H2PO4) 规格: 分析纯
Product: Ammonium dihydrogen phosphate Specification : AR
标准依据: HG/T3466—1999 批号: 20100709
Standard: HG/T3466—1999 Batch No: 20100709
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)
|
无色结晶
(Colourless crystal)
|
合格
(Conform)
|
含量
(Assay)
|
99.0%
|
99.2%
|
PH
(Ph)
|
4.0~4.5
|
4.2
|
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%
|
0.004%
|
氯化物
(Chloride)
|
0.0005%
|
0.0005%
|
硫化合物
(Sulfur compounds)
|
0.005%
|
0.005%
|
硝酸盐
(Nitrites)
|
0.001%
|
0.001%
|
钠
(Sodium)
|
0.005%
|
0.004%
|
钾
(Potassium)
|
0.005%
|
0.003%
|
铁
(Iron)
|
0.001%
|
0.001%
|
砷
(Arsenic)
|
0.0005%
|
0.0005%
|
重金属
(Heavy metal)
|
0.0005%
|
0.0004%
|
结论(Conclusion):符合分析纯之规定(The above product complies with AR)
|