2013年文山州蔬菜中铅、镉、汞、砷存在情况调查分析

了解文山州蔬菜中铅、镉、汞、砷的含量及污染情况,分析危害因素,掌握文山州蔬菜的安全状况。 方法 针对文山州生产、流通和消费等特点,在广南、丘北、马关、富宁4个县共采集8类24种蔬菜,共62份样品,采用石墨炉原子吸收光谱法测定铅、镉含量,原子荧光光谱法测定汞、砷含量。 结果 2013年文山州蔬菜中铅、镉、汞、砷总体合格率分别为87.10%、95.16%、100.00%、100.00%。 结论 2013年文山州受检蔬菜中铅、镉均有超标,汞、砷未发现超标,针对铅、镉污染情况应采取相应措施,保证蔬菜质量安全。

Investigation and analysis of arsenic, lead, cadmium, mercury content and pollution status on vegetable of Wenshan Prefecture in 2013

To investigate the content of arsenic, lead, cadmium and mercury content in vegetables and pollution status, determine the distribution of hazard factors and grasp the present safe status on vegetables in Wenshan Prefecture. Methods according to the state of Wenshan industry, circulation, consumption and other characteristics, collecting totally 8 major categories of 24 kinds of vegetables in Guangnan, Qiubei, Maguan, Funing four counties, a total of 62 samples. The content of lead and cadmium were determined by graphite furnace atomic absorption spectrometry, while arsenic and mercury content were determined by Atomic Fluorescence Spectrometry. Results In Wenshan Prefecture, the qualification rate of lead, cadmium, mercury and arsenic content in vegetables was 87.10%, 95.16%, 100.00%, 100.00% respectively in 2013. Conclusion Lead, cadmium had exceeded the standard and mercury, arsenic was not found unqualified situation in 2013 investigation of pollution status on examined vegetable in Wenshan Prefecture. Aiming at the lead, cadmium pollution, corresponding measures should be taken, to ensure the quality and safety of vegetables.