Specification: Testing Item Top Grade Content (%) 99.0 Min Iron (%) 0.001Max Chloride (Cl) (%) 0.001 Max Sulfate (SO4) (%) 0.008 Max Phosphate (PO4) (%) 0.2 Max Appearance Pure White Crystal 70% Aqueous Solution Test Colorless transparent Liquid POA (%) 70-80 Min. 25kg, 500kgs, 1000ksg plastic bag lined with PE.
