Item index Formic acid 90% 85% Purity 90% min 85% min Colour index platinium cobalt 10 max 20 max Sulphate as so4 0.001% max 0.002% max Cl 0.003% max 0.005% max Fe 0.0001% max 0.0005% max Evaporation residue 0.006% max 0.02% max 25kg/30kg/225kg/1100ibc/plastic drum
