Polyferric Sulfate (PFS) can be used for source water purification and treatment of wastewater from printing, dyeing, paper making, coal washing, food, leather industry and urban domestic sewage. CAS No.: 35139-28-7 or 10028-22-5 Formula: [Fe2(Oh)N(So4)3-N/2]M Grade: Industrial grade EINECS: 215-477-2 Appearance: Yellow powder Purity: 19%-21% Type: Water Treatment Chemical Packaging: 25kg/bag neutral packing or customized.
