Specifications
Ammonium ferrous sulfate hexahydrate
Molecular formula: FeSO4(NH4)2SO4.6H2O
CAS: 7783-85-9
Appearance: Pale green crystal
Properties:
A soil white or yellowish powder, namely into a brown liquid. Soluble in water and alcohol. Anhydrous ferric density for 3.097 g/cm ^ 3. Become acidic aqueous solution, heating through 480 °C when decompose, release sulphur trioxide become trioxide iron, avoid light, moistureproof, sealing preservation.
Use:
As an analytical reagent, sugar to quantitatively measure, iron catalyst, mordant DTC system pigment, drugs.
Details:
Test item |
Specification |
Reagent grade |
Pharmaceutical grade |
Appearance |
Conform |
Conform |
Assay /% |
≥99.5 |
≥99.0 |
Water insoluble /% |
≤0.005 |
≤0.02 |
Chloride (Cl)/% |
≤0.001 |
≤0.005 |
Phosphate (PO4)/% |
≤0.0005 |
≤0.002 |
Manganese (Mn)/% |
≤0.05 |
|
Ferric (Fe)/% |
≤0.01 |
≤0.02 |
Copper (Cu)/% |
≤0.002 |
≤0.01 |
Zinc (Zn)/% |
≤0.005 |
≤0.02 |
Lead (Pb)/% |
≤0.002 |
≤0.004 |
SO4/% |
≤0.1 |
≤0.2 |
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As one of the specialized producers of industrial chemicals in HEBEI province, we have progressive production facilities and test instruments. Our refined pure industrial chemicals has occupied domestic and international markets of rubber, paint and dye industrial ares, which includes indiect zinc oxide, direct zinc oxide, nanometer active zine oxide, zinc stearate, calcium stearate, stearic acid, zinc carbonate basic, zinc phosphate, paraffin wax, antioxidant, etc.
Since our company has been built, we have sold about 20 kinds of products to more than 20 countries and regions including America, Europe, Australia and Africa. etc. Our progressive quality management and assurance system has obtained ISO9001 certificate. The firm has its own capacity of research, development, production and sales. Now it has built close partnership with customers from home and abroad. We shall constantly improve our product quality and the service standard to satisfy our customers demand.
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