Specifications
molecular formula: FeSO4.7(H2O)
Appearance:
Light blue green crystal
Appearance:
Light blue green crystal
Appearance:
Light blue green crystal
Properties:
Glaucous crystallization. The relative density 1.897, melting point °C into four 64 when water and salt, salt water into °C when 65. In the wet air oxidation as alkali type sulphuric acid easy high iron into yellow. Soluble in water, insoluble in alcohol. Aqueous easy oxidation.
Use:
Analytics reagents. DTC, polymerization catalysts. Also used in photoengraving, medium preparation.
Details:
|
Test item
|
Specification
|
|
|
Reagent grade
|
Pharmaceutical grade
|
|
|
Appearance
|
Conform
|
Conform
|
|
Assay /%
|
≥99.0-101.0
|
≥98.0-101.0
|
|
Water insoluble /%
|
≤0.005
|
≤0.02
|
|
Chloride (Cl)/%
|
≤0.001
|
≤0.005
|
|
N/%
|
≤0.001
|
-
|
|
Phosphate (PO4)/%
|
≤0.0005
|
≤0.002
|
|
Arsenic (As)/%
|
≤0.0002
|
≤0.0002
|
|
Manganese (Mn)/%
|
≤0.05
|
-
|
|
Ferric (Fe)/%
|
≤0.02
|
≤0.10
|
|
Copper (Cu)/%
|
≤0.002
|
≤0.01
|
|
Zinc (Zn)/%
|
≤0.005
|
≤0.02
|
|
Lead (Pb)/%
|
≤0.002
|
≤0.005
|
|
Ammonia not sediment /%
|
≤0.05
|
≤0.2
|
We supply reagent grade pharmaceutical grade USP grade BP grade industrial grade. If you are interested in our products please contact me