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See Chinese contents: GB/T 35954-2018 GB/T 35954-2018: Determination of 10 whitening and freckle-removing components in cosmetics -- High performance liquid chromatography
This Standard specifies reagents and materials, instruments and equipment, analytical procedures, calculation of results, recovery and precision, allowable difference, etc. for high performance liquid chromatography of 10 whitening and freckle-removing components (magnesium ascorbyl phosphate, ascorbyl glucoside, kojic acid, nicotinamide, 3-O-ethylascorbic acid, potassium methoxysalicylate, raspberry glucoside, dipotassium glycyrrhizinate, 4-butyl resorcinol) in cosmetics.
