广西5城市农产品铅镉污染分析
农产品;污染物;铅;镉,,农产品;污染物;铅;镉,1材料与方法,2结果,3讨论,参考文献
摘要: 目的 了解广西壮族自治区5城市主要农产品铅镉污染情况。方法 在严格的质量控制下,对5个城市8类农产品进行铅镉污染监测。结果 共监测8类588件农产品,获得923个有效监测数据。其中铅污染监测429件农产品,3个市的皮蛋污染严重,铅超标率均在50%~75%;南宁市蔬菜、黄豆铅污染超标均在30%以上;百色市牛奶超标率达到100%;而镉污染监测494件农产品,北海市螺、蟹镉污染超标率分别达到930%,820%;3个市肾镉超标均在80%以上;南宁、玉林市大米镉超标率均为286%,南宁市蔬菜超标率243%;南宁市大白菜、白萝卜、胡萝卜、四季豆等共9份农产品铅、镉同时超标,双重超标率达到152%(9/59)。结论 农产品中存在铅镉污染,应加强综合治理,减少环境污染。关键词: 农产品;污染物;铅;镉
Analysis on lead and cadmium contamination of farm product in five cities of Guangxi
QIN Zhiying,TANG Zhenzhu,WU Zujun,et al.
Guangxi Autonomous Region Center for Disease Control and Prevention(Nanning 530021,China)
Abstract: Objective To investigate the lead and cadmium contamination of main farm product in five cities of Guangxi.Methods Under the strict quality control,8 types of main farm products in 5 cities were monitored for lead and cadmium.Results There was total 923 significant data monitored from 588 samples which belonged to 8 foods.Lead contamination was mornitored to 429 samples.Serious lead contamination was found in preserved eggs in three cities.The standardexceeding rate was 50% to 75%.As for lead contamination,the standardexceeding rate of vegetables and soybeans was over 30% in Nanning while the rate of milk reached 100% in Baise city.With regard of cadmium contamination,the standardexceeding rate of shells and crabs was respectively 930% and 820%.In Beihai that rate of animal kidneys was over 80% in three cities;the standardexceeding rate in rice was 286% in Nanning and Yulin.In addition,that rate of vegetable was 243% in Nanning.Also in Nanning,lead and cadmium contamination was found in nine pieces of farm products including Beijing cabbage,white turnip,radish and kidney bean,etc.Double standardexceeding rate was 152%(9/59).Conclusion Comprehensive management and avoiding environmental pollution should be strengthened. ......
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