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See Chinese contents: GB 5009.259-2023 GB 5009.259-2023: National food safety standard - Determination of biotin in foods
This Standard specifies the methods for the determination of biotin in foods. Method 1 - liquid chromatography - tandem mass spectrometry is applicable to the determination of biotin in prepared milk powder and special dietary foods. Method 2 - microbiological method is applicable to the determination of biotin in foods. Method I - Liquid Chromatography - Tandem Mass Spectrometry
