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See Chinese contents: GB/T 35949-2018 GB/T 35949-2018: Determination of prohibited aristolochic acid A in cosmetics -- High performance liquid chromatography
This Standard specifies reagents and materials, instruments and equipment, analysis procedures, calculation of result, recovery and precision, allowable difference, etc. for high performance liquid chromatography for prohibited aristolochic acid A in cosmetics. This Standard is applicable to the determination of aristolochic acid A in skin care cosmetics such as creams, lotions, toning lotions. The detection limit of this Standard method is 0.3mg/kg, and the limit of quantification is 1.0mg/kg.
