molecular formula: FeSO4(NH4)2SO4.6H2O
CAS: 7783-85-9
Appearance:
Light yellow powder
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 ℃ 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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