Iron (II) Ferrous Sulfate FESO4
Iron (II) Ferrous Sulfate Heptahydrate cryst.Purif
Description
Greenish or yellow-brown crystals or granules. Odorless or soluble in Water. Extracted from Pickel Steel, or waste sulfuric acid of oxide titanium. Mainly used for corrosion control of the seawater side of a condenser or for water and sewage treatment.
Technical Bulletin
http://www.nlm.nih.gov/medlineplus/druginfo/meds/a682778.html