Ferric Pyrophosphate Molecular formula is Fe4(P2O7)3*xH2O FCC IV Storage: 25kg/drum Index Q/ZRS 001-2006 Content(as Fe)% >=24.0-26.0 Arsenicate(as As) % <=0.0003 Pb(as Pb) % <=0.001 Mercury (as Hg) % <=0.0003 Buring Loss Weight (800 centigrade，1h) % <=20.0 Ruipu is a manufacture of producing of high quality nutritional mineral additive ( Food Grade) , such as Ferric Pyrophosphate, Ferric Phosphate, Ferric Fumarate, Calcium Lactate, Ferrous Lactate, Sodium Lactate, Sodium Malate, Zinc Gluconate, Ferrous Gluconate, Ferric Sodium Edetate, ect. We also passed through ISO9001-2000 international quality system certifications. And expressly, our price is very competitive because we are manufactory, we are the source.