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See Chinese contents: GB 5009.26-2023 GB 5009.26-2023: National food safety standard - Determination of N-nitrosamines in foods
This standard specifies the method for the determination of N-dimethylnitrosamine (NDMA) in foods. This standard applies to the determination of N-dimethylnitrosamine in meat and meat products, aquatic animals and their products. Method 1: Steam distillation-gas chromatography-mass spectrometry/mass spectrometry
