Potassium Ferricyanide Usage: Printing plate, Bleaching, Pharmaceutical, Paint, etc. Product: Potassium FerricyanideUses: Printing plate, Bleaching, Pharmaceutical, Paint, etc.Spec.:Purity [K3Fe(CN)6] : 99.5% MinKCL 0.2% MaxWater Insoluble 0.02%Max[K4Fe(CN)6] 3H2O 0.2%MaxSO4 0 Na 0 Packing: 25 Kgs net/bagPls feel free to contact us if you are interested in it.