Energy and Environmental Profile of the U S Energy and Environmental Profile of the U S Fe2O3 is a red iron ore standard of 51 5 percent iron • Concentrates Iron ore that requires -fe and feo percentage of the iron ore-,Conversion of Fe2O3 into Fe ppm/ppb He is obviously analysing iron ore by XRF fusion or PP Hi Conversion of Fe2O3 into Fe ppm/ppb Hi this is Aj again and thanks for the last respond …… Get More