China L-Glutathione Reduced Glutathione Reduced Glutathione

Test ItemsSpecificationDescriptionA white crystalline powderMelting Point183~187ºCOptical rotation-15.5°~-17.50°IdentificationChemicalPositive reactionIRSimilar with the Reference SpectrumClarity and color of solutionClear and colorlessHeavy metalsNot more than 10ppmArsenicNot more than 2 ppmIronNot more than 10ppmAmmoniumNot more than 200ppmSulfateNot more than 300ppmLoss on dryingNot more than 0.5%Residue on ignitionNot more than 0.10%Related substancesTotalNot more than 2.0%GSSGNot more than 1.5%AssayNot less than 98.0%Bacterial endotoxinNot more than 0.1EU/mg