It is available in the form of heptahydrate FeSO4 .7H2O (green vitriol, Copperas); It is a blue-green monoclinic crystalline water soluble salt used in water purification, as reducing agent and to fortify various foods with iron.
Specifications: - Purity as FeSO4 .7H2O: 99.2% Max.
- Fe Content : 20.4% Min
- PH of 5% solution at 25oC : 3.5
- Insoluble Matter : 0.04% Max.
- Density : 1.898 g/cm3
Features of Ferrous Sulphate : - It is commonly used for the treatment and prevention of iron deficiency anaemia.
- ferrous sulfate is used to fortify foods and to treat iron-deficiency anemia
- Ferrous sulfate was used in the manufacture of inks, most notably iron gall ink
- Ferrous sulfate can also be used to stain concrete and some limestones and sandstones a yellowish rust color