This standard specifies the determination method of copper in food. This standard applies to the determination of copper in food. Minimum detectable concentration: flame atomization method is 1.0mg/kg; graphite furnace atomization method is 0.1mg/kg; colorimetric method is 2.5mg/kg.
GB/T 5009.13-1996 history
2017GB 5009.13-2017 National Food Safety Standard Determination of Copper in Food