Formic Acid 85 % Colour Index Platinium Cobalt-----------------10max Acidity %-----------------------------------------------85min Chlorides,as CL %--------------------------------0.005max Sulphate as SO4%--------------------------------0.002max Metals,as Fe %-------------------------------------0.0005max Ignition Residue %---------------------------------0.02max Formic Acid 90 % Acidity %?-------------------------------------------90.0min Chlorides,As CL %-------------------------------0.003max Sulphates(As SO4) %---------------------------0.001max Metals,As Fe %-----------------------------------0.0004max Non-volatiles %------------------------------------0.020max