2010年潍坊市市售食品中重金属污染情况调查

Investigation on Heavy Metal Contamination in Commercial Food in Weifang City in 2010

目的了解潍坊市区出售的食品中重金属污染情况,以便采取相应的预防策略。方法采用原子吸收光谱法和原子荧光光度法测定食品样品中的铅、镉、砷、汞含量。结果全年共采集各类食品共461份,其中检测铅含量样品461份,超标5份,超标率1.1%;检测镉含量样品351份,超标14份,超标率4.0%;检测砷含量样品328份,超标4份,超标率1.2%;检测汞含量样品221份,超标9份,超标率4.1%。结论潍坊市食品中重金属污染总体情况不严重,但部分种类仍存在一定程度重金属含量超标的情况,需要引起重视。

[Objective]To understand the status of heavy metal contamination in commercial food in urban Weifang,so as to adopt corresponding preventive strategy.[Methods]Lead,cadmium,arsenic,mercury levels in the foodstuff samples were tested by graphite furnace atomic absorption spectrometry and atomic fluorescence spectrometry.[Results]A total of 461 food samples were collected in 2010,461 samples of lead content were tested,5（1.1%） were excessive;351 samples of cadmium content were tested,14（4.0%） were excessive;328 samples of arsenic content were tested,4（1.2%） were excessive;221 samples of cadmium content were tested,9（4.1%） were excessive.[Conclusion]Through the situation of heavy metal contamination is not serious in Weifang City,contamination also exists in some kinds of food,which should be attached importance.