Tianjin Flourish Chemical Co.,LTD |
molecular formula:Fe2(SO4)3
CAS:10028-22-5
Appearance:
White or light yellow powder
Properties:
A soil white or yellowish powder, easy ChaoXie, 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 (Fe)/% | ≥21.0-23.0 | ≥21.0-23.0 |
Water insoluble /% | ≤0.01 | ≤0.02 |
Chloride (Cl)/% | ≤0.002 | ≤0.005 |
Nitrate(NO3)/% | Conform | Conform |
Arsenic(As)/% | ≤0.0005 | ≤0.001 |
Copper (Cu)/% | ≤0.005 | ≤0.01 |
Ferric (Fe2+)/% | ≤0.01 | ≤0.05 |
Zinc (Zn)/% | ≤0.005 | ≤0.02 |