This standard specifies the determination of total chromium content in food by atomic absorption graphite furnace method and oscillographic polarography. This standard is applicable to the determination of total chromium content in various foods. The detection limit of this standard: the graphite furnace method is 0.2ng/mL; the oscillographic polarography method is 1ng/mL.
GB/T 5009.123-2003 history
2023GB 5009.123-2023 National Food Safety Standard Determination of Chromium in Foods
2015GB 5009.123-2014 National food safety standard Determination of chromium in food