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See Chinese contents: GB 5009.12-2023 GB 5009.12-2023: National food safety standard - Determination of lead in foods
This Standard specifies the methods for the determination of lead in foods by graphite furnace atomic absorption spectrometry, inductively coupled plasma mass spectrometry and flame atomic absorption spectrometry. This Standard applies to the determination of lead in foods. Method I ?C Graphite furnace atomic absorption spectrometry
