Objective:To determine the content of Lead,cadmium,chromium and inorganic arsenic in some rice in NANTONG area,and to provide evidence for safe consumption.Methods:The samples were processed by micro-wave digestion,determined by inductively coupled plasma Mass spectrometer(ICP-MS)and liquid chromatogra-phy-atomic fluorescence spectrometer,and evaluated by single factor pollution index method and heavy metal com-posite pollution index method according to GB 2762-2017 national standard.Conclusion:Heavy metal pollution is common in 40 rice grains from two regions,and chromium pollution is serious.
维普
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