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环境化学  2015 

DOI:10.7524/j.issn.0254-6108.2014.09.017

Keywords: 重金属,塌陷塘,鲫鱼,健康风险

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Abstract:

从淮南煤矿区塌陷塘采集鲫鱼样品,分析重金属元素(Cd、Cu、Zn和Pb)在鲫鱼体内的富集特征,结果发现,Cd、Cu、Zn和Pb在塌陷区鲫鱼(CarassiusauratusGibelio)肌肉中含量均低于《无公害食品水产品中有毒有害物质限量》(NY5073—2006)、食品中污染物限量(GB2762—2005)和FAO/WHO标准.重金属元素在鲫鱼体内的富集器官主要为内脏和鳃,Cd和Pb主要富集在内脏,Zn主要富集在鱼鳃,Cu的富集器官随着地域变化(对照为鳃,塌陷区为内脏).目标危险系数(THQ)分析发现Cu导致的健康风险较高,Cd最低,单一重金属THQ值和复合重金属的TTHQ值均小于1,说明研究区域内的鱼肉均不产生对人体危害的健康风险.

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