This standard specifies the determination method of lead in food. This standard applies to the determination of lead in food. The detection limit of this method: graphite furnace atomic absorption spectrometry is 5 μg/kg; hydride atomic fluorescence spectrometry solid sample is 5 μg/kg, liquid sample is 1 μg/kg; flame atomic absorption spectrometry is 0.1 mg/kg; The colorimetric method is 0.25mg/kg; the single-scan polarographic method is 0.085mg/kg.
GB/T 5009.12-2003 history
2023GB 5009.12-2023 National Food Safety Standard Determination of Lead in Food
2017GB 5009.12-2017 National Food Safety Standard Determination of Lead in Food
2010GB 5009.12-2010 National food safety standard Determination of lead in foods