Kojic Acid Assay,99.0% White Crystalline Powder Package:25kg per drum ItemSpecificationResultsAppearance PropertyWhite Crystalline PowderWhite Crystalline PowderAssay,% min99.099.52Melting Point,152-155153.5-153.9Loss on Drying,% max0.50.18Residue on Ignition,% max0.10.04Chlorides (AS Cl),% max0.0050.003Heavy Metals(as Pb)% max0.0010.0004Iron(AS Pb),% max0.0010.0004Arsenic (as Fe),% max0.00010. ...