L-lactic acid Through ISO9001:2008 and FCC III High quality and best price Item Index Chroma,apha ≤50 Content% 80-90 Chloride% ≤0.002 Sulfate% ≤0.005 Iron% ≤0.001 Residue on Ignition ≤0.1 Arsenic,mg/kg ≤1 Heavy metal, mg/kg ≤10 Calcium% Pass Test Ether-insoluble Substances Pass Test Citric, Oxalic, phosphoric, tartaric Acids Pass Test Reducing sugar Pass Test Methanol,% ≤0.2 Cyanide,mg/kg ≤5 Optical purity% ≥95.0