green vitriol ferrous sulphate 91% 1.We company location are colsely railroad and highway. ... it has transport facilities . name: green vitriol ferrous sulphate 91% Name FERROUS SULPHATEChemical formula FeSO4.H2O FeSO4.7H2OPhysical appearance grey ... rubber, leather,washingpowder, livestock feed, pencils. 3.Detailed specification:FesO4: 91%MINIRON 30%MINPB 0.002%MAXAS 0.0002%MAXWATER TREATMENT ...