25kg net packed in woven bag, 800kg net packed in bag, 1000kg net packed in bag or ton bag, with pallet or without pallet, Index:Index nameIndexExcellent-gradeFirst-gradeFood gradeContent % ≥99.0098.5099.00Chloride % ≤0.300.400.30Water-insoluble Matter % ≤0.020.030, 01Moisture % ≤1.502.500.50Arsenic(As)% ≤ 0.0001Cyanide(CN)% ≤ 0.001Potassium FerrocyanideMolecular Formula: K4Fe(CN)6.3H2OMolecular ...