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目的了解2009—2010年度黄石市食品中铅、镉、汞的含量情况,为控制食品污染提供依据。方法在黄石市城区的农贸市场或超市采集15类共168份样品,测定其中铅、镉、汞的含量。结果该市15类食品重金属合格率较高,铅超标率为3.6%,镉超标率为5.0%,汞超标率为2.5%,与其他城市相比处于相对较低水平。结论尽管黄石市食品中重金属污染水平相对较低,但仍应加大监测力度。
Objective To understand the content of lead, cadmium and mercury in foodstuffs of Huangshi City in 2009-2010 and provide the basis for controlling food contamination. Methods Fifteen 168 samples from 15 farms or supermarkets in downtown Huangshi City were collected and their contents of lead, cadmium and mercury were determined. Results The qualified rate of heavy metals in 15 kinds of food in this city was higher, the exceeding standard rate of lead was 3.6%, the exceeding standard rate of cadmium was 5.0% and the exceeding standard rate of mercury was 2.5%, which was relatively lower than other cities. Conclusion Although the level of heavy metal pollution in food in Huangshi City is relatively low, the intensity of monitoring should be increased.