Ferrous Sulphate Hepta

Ferrous Sulphate Hepta 1) The main content of our Ferrous Sulphate Hepta is 98%min; 2) Can be directly used as the flocculant for waste water treatment. 3) Also can be used as additive in compound fertilizer, as well as for production of FeSo4.h2O. 4) Mainly used to make pigment such as Ferric Oxide series products (such as iron oxide red lron oxide black, lron oxide yellow etc.). 5) The specification is shown below: FeSO4.7H2O-------------------------------98%min Fe--------------------------------------------20%min Pb--------------------------------------------0.001%max Zn--------------------------------------------0.05%min Mn--------------------------------------------0.2%max Ph (5%sol.)---------------------------------2.5min Free water----------------------------------2.0%max Free Acid------------------------------------1.0%max