Ascorbic Acid
Xi'an Rainbow Bio-Tech Co.,Ltd is one of the leading China ascorbic acid manufacturers,Website:, welcome to wholesale cheap ascorbic acid from our factory.1.Spec.:90%,93%,95%,97% Granular(D.C.)2.Type: Vitamins, Amino Acids and Coenzymes 3.CAS No.: 50-81-7 4.MF: C6H8O6Analysis ContentsAnalysis StandardAnalysis ResultsIdentificationPositive ReactionPositiveMelting PointAbout 190°C190.7°C PH2.4-2.82.42Clarity Of SolutionClearClearColour Of Solution≤BY77Copper≤5ppm<5ppmHeavy Metals≤10ppm<10ppmMercury<0.1mg/kg <0.1mg/kg Lead<2mg/kg <2mg/kg Arsenic≤3ppm<3ppmCadmium(Cd) <1mg/kg <1mg/kg Oxalic Acid≤0.2%<0.2%Iron≤2ppm<2ppmLoss of Drying≤0.4%<0.4%Sulphate Ash(Residue On Ignition)≤0.1%<0.1%Specific Optical Rotation+20.5°–+21.5°+21.13°Mesh40-80 MeshPassOrganic Volatile ImpuritiesPassPassAssay99.0%-100.5%99.94%
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