L-Lactic acid 80%min specification Assay 80% min Color,fresh 150Apha max Density at 20 1.19-1.21g/ml Sulphate 0.01% max Chloride 0.002% max Residue on ignition 0.1% max Iron 10ppm max Heavy metals 10ppm max Arsenic 1ppm max Lead 0.5ppm max Mercury 1ppm max Cyanide 5ppm max Limit of citric,oxalic, phpsphoric and tartaric acid Pass test Fcciv Reducing sugars Pass test Fcciv