Ferrous ammonium sulfate hexahydrate
- Số CAS
- 7783-85-9
- Khối lượng phân tử
- Công thức phân tử / ký hiệu hóa học
- Fe(NH4)2.(SO4)2.6H2O
Mô tả
Light green, blue crystal or crystalline powder, in the air gradually weathering and oxidation. Soluble in water, soluble in ethanol. Light blue green crystal or powder, light sensitive.ỨNG DỤNG
Used for analysis reagent, when used as indicator, determination of halogen to potassium permanganate and potassium dichromate standard solution preparation of calibration, ferrous ion standard solution. They are also used as polymerization catalyst, dose meter.
Keywords:Surface treatment chemicals
Phiếu kiểm nghiệm
|
Product name |
ammonium ferrous sulfate |
CAS: 7783-85-9 |
|
Apearance |
Light green, blue crystal or crystalline powder |
|
|
chemical formula |
Fe(NH4)2(SO4)2·6H2O |
|
|
item |
analytically pure (AR) |
chemically pure(CP) |
|
content(Fe(NH4)2(SO4)2·6H2O),% ≥ |
99.5 |
99.0 |
|
pH(50g/Lsolution，25℃) |
3-5 |
3-5 |
|
(PO4),% ≤ |
0.0005 |
0.002 |
|
(Cl),% ≤ |
0.001 |
0.005 |
|
(Mn),% ≤ |
0.05 |
-- |
|
(Fe),% ≤ |
0.01 |
0.02 |
|
(Cu),% ≤ |
0.002 |
0.01 |
|
(Zn),% ≤ |
0.005 |
0.02 |
|
(Pb),% ≤ |
0.002 |
0.004 |
|
Ammonia water not sediment (in sulfate meter), % or less |
0.1 |
0.2 |
|
Water-insoluble, % or less |
0.005 |
0.02 |