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See Chinese contents: GB 5009.12-2017 GB 5009.12-2017: National food safety standard -- Determination of lead in food
This Standard specifies graphite furnace atomic absorbance spectrometry, inductively coupled plasma mass spectrometry, flame atomic absorbance spectrometry, dithizone colorimetry for the determination of lead in foods. This Standard applies to the determination of lead all kinds of foods.
