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首页> 外文期刊>Human and ecological risk assessment >Heavy metal contamination in water, soil, and milk of the industrial area adjacent to Swan River, Islamabad, Pakistan
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Heavy metal contamination in water, soil, and milk of the industrial area adjacent to Swan River, Islamabad, Pakistan

机译：巴基斯坦伊斯兰堡斯旺河附近工业区水，土壤和牛奶中的重金属污染

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Trace heavy metals such as Cr(III), Ni(II), Cd(II), Zn(II), Pb(II), and Cu(II) are hazardous pollutants and are rich in areas with high anthropogenic activities. Their concentrations were analyzed using atomic absorption spectroscopy, and it was found that their concentrations were several fold higher in downstream Swan River water samples of the Kahuta Industrial Triangle as compared to upstream. Heavy metal soil concentrations taken from the downstream site were 149% for Cr, 131% for Ni, 176% for Cd, 139% for Zn, 224% for Pb, and 182% for Cu when compared to samples from the upstream site. Quantitative analysis concluded that these metals were higher in milk samples collected from downstream as compared to the samples from upstream water-irrigated sites. The order of metal in milk was as Zn > Cr > Cu > Cd > Pb = Ni. Heavy metal contaminations may affect the drinking water quality, food chain, and ecological environment. It was also suggested that the toxicity due to such polluted water, soil, and milk are seriously dangerous to human health in future.
机译：痕量重金属，例如Cr（III），Ni（II），Cd（II），Zn（II），Pb（II）和Cu（II）是有害污染物，并且在人为活动较高的地区丰富。使用原子吸收光谱法分析了它们的浓度，发现它们的浓度在卡胡塔工业三角洲的天鹅河下游水样中比上游高出几倍。与上游站点的样本相比，下游站点的重金属土壤浓度为Cr 149％，Ni 131％，Cd 176％，Zn 139％，Pb 224％和Cu 182％。定量分析得出的结论是，与从上游水灌溉地点采集的牛奶样品相比，从下游采集的牛奶样品中的这些金属含量更高。牛奶中金属的顺序为锌>铬>铜>镉>铅=镍。重金属污染可能会影响饮用水质量，食物链和生态环境。也有人提出，由于这种污染的水，土壤和牛奶而造成的毒性将来对人体健康具有严重危险。

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