ferrous sulphate heptahydrate PRODUCT : Ferrous Sulphate HeptahydrateMolecular Formula : FeSO4 ·7H2OORIGIN : CHINASPECIFICATION: ITEMINDEXAppearanceGreen to glaucous crystal or powderPurity as FeSO4.7H2O, %, minimum98.0Purity as Iron (Fe),%, minimum19 ... PACKING :Net 25kg plastic woven bags with inner linerUSES : Fertilizer, water treatment, iron salts, iron pigments, cement, etc ( function(){ var ...