黑色金属硫酸Heptahydrate

FERROUS SULPHATE HEPTAHYDRATELIGHT GREEN CRYSTALM.F.: 278.01 M.W.: FeSO4.7H2O PROPERTY: Blue transparent crystal or powder, airslake in dry air, soluble in water, slightly in methanol, insoluble in anhydrous ethanol. APPLICATION: It is mainly used to make pigment such as Ferric Oxide series products (such as iron oxide red, lron oxide black, lron oxide yellow etc.).It can also be directly used as the flocculant for waste water treatment, for purification of water, for producing ferric sulfate, for iron containing catalyst, or as additive in compound fertilizer, as well as for production of FeSo4.h2O. SPECIFICATION: 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 Acid------------------------------------1.0%max As---------------------------------------------0.00005%max . PACKING: 25/50kgs (net weight) per plastic woven bag, 20-22mts/1×20FCL, also we can supply 1000kg jumbo bag.