Product Description
Ferrous sulfate heptahydrate, commonly known as green alum, is an inorganic compound. It is
mainly used in the manufacture of iron salt, ink, magnetic iron oxide, water purifying agent,
disinfectant, iron catalyst and catalyst; It is used as coal dye, grass tanning agent, bleaching
agent, wood preservative and compound fertilizer additive, as well as processing ferrous sulfate
monohydrate.
CERTIFICATE OF ANALYSIS
Item | Standard |
Appearance | Light blue-green monoclinic crystal |
FeSO4. 7H2O | 98% Min |
Fe | 19.7% Min |
Pb | 20 ppm Max |
As | 2 ppm Max |
Cd | 5 ppm Max |
Size | Through 40 mesh sieve |
- Appearance : Blue -Greendry
-Solubility: Readily soluble in water
-Chemical Formula: FeSO4·7H2O