... glaucous crystal or powderPurity as FeSO4.7H2O, %, minimum98.0Purity as Iron (Fe),%, minimum19.7Lead (Pb), mg/kg, maximum0.002Arsenic (As) ,mg/kg ... 25kg plastic woven bags with inner linerUSES : Fertilizer, water treatment, iron salts, iron pigments, cement, etc ( function(){ var aBigImageSrc = [ 'http://i01.i ...