2008-2009年北京市大兴区食品中镉污染状况分析

Status of Cadmium Pollution in Foods in Daxing District of Beijing from 2008 to 2009

目的了解北京市大兴区部分食品中镉的污染状况。方法按照GB/T5009.15—2003《食品中镉的测定方法》对样品进行前处理,采用石墨炉原子吸收光谱法检测镉含量。结果2008-2009年共监测248件样品,镉的检出率为74.19%,超标率为6.45%。结论大兴区各类食品中都检出镉,说明存在不同程度的污染,需要加强监测。

Objective To understand the status of cadmium pollution in Daxing district of Beijing and to provide the scientific basis for reducing polluted foods. Method The contents of cadmium in foods were determined by graphite furnace atomic absorption spectrometry based on the national standard method GB /T 5009. 15—2003. Results The positive rate for cadmium in 248 food samples monitored in 2008-2009 was 74. 2% ,and the rate of exceeding standard was 6. 45% . Conclusion Cadmium pollution was detected in all kinds of foodstuffs in Daxing District. Reinforcing surveillance and controlling food production to protect consumers’health should not be neglected.