Formic acid 90% Appearance: Colourless liquid Specification: Purity: 90% min Colour Index Platinium Cobalt: 10 max Sulphate as SO4: 0.001% max CL: 0.003% max Fe: 0.0001% max Evaporation Residue: 0.006% max Packing: 25/35/250/1100 kg plastic drum Re: Formic acid 85% Appearance: Colourless liquid Specification: Purity: 85% min Colour Index Platinium Cobalt: 20 max Sulphate as SO4: 0.002% max CL: 0.005% max Fe: 0.0005% max Evaporation Residue: 0.02% max Packing: 25/35/250/1100 kg plastic drum