No iron aluminum sulphate

aluminum sulphate 1.produce according to People's Republic of China chemical industry standards HG/T2225-2001 "industrial aluminum sulphate" 2.industrialaluminum sulphate in line with the requirements of the following table Appearance: Solid industrial aluminum sulphate is white, light green or light yellow flake solid or massive Industrial liquid aluminum sulphatefor the light green or light yellow liquiditemProject indicatorsSolidliquidtype Itype IIIII typeFirst-class productqualified productfirst-class productqualified productAlumina content (Al2O3),% ≥ 15.80 15.60 15.80 15.80 17.00 6.0 Iron (Fe) content,% ≤ 0.30 0.50 0.005 0.010 0.010 0.20 Water insoluble content,% ≤ 0.10 0.20 0.20 0.20 0.10 pH (1% aqueous solution) ≥ 3.0 3.0 3.0 3.0 3.0 3.0 3. Packing: PP/PE 50kg/bag 4.Use: water purifying and paper making