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首页> 外文期刊>Toxicological & Environmental Chemistry >Accumulation of lead and cadmium by four tropical forage weeds found in the premises of an automobile battery manufacturing company in Nigeria
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Accumulation of lead and cadmium by four tropical forage weeds found in the premises of an automobile battery manufacturing company in Nigeria

机译：在尼日利亚一家汽车电池制造公司的房屋中发现的四种热带草料杂草中积累的铅和镉

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摘要

The potentials of tropical weeds namely, Nephrolepis biserrata, Panicum maximum, Eleusine indica, and Chromolaena odorata to accumulate lead (Pb) and cadmium (Cd) from soil within the premises of an automobile battery manufacturing company in Ota, south-western Nigeria, were explored. The weed samples were collected in both wet and dry seasons. Standard analytical methods were employed to collect, digest, and analyze the weeds. Lead levels in the weeds for both seasons ranged from 1990-4870, 1090-1730, 4800-7890, and 400-1210 µg g−1 dry weight (DW) for Nephrolepis biserata, Panicum maximum, Eleusine indica, and Chromolaena odorata, respectively, while the cadmium level in the weeds for both seasons ranged from 3.92-6.78 µg g−1 DW for N. biserata, 1.99-6.85 µg g−1 DW for P. maximum, 2.90-7.40 µg g−1 DW for E. indica, and 2.90-5.09 µg g−1 DW for C. odorata. There was no significant difference in the accumulation of both Pb and Cd for the two seasons. All the weeds showed Pb levels higher than the phytotoxic range. On the contrary, 99% of the weeds showed Cd concentration within the phytotoxic range. The weeds demonstrate good phytoremediation potentials of contaminated soil.
机译：在尼日利亚西南部大田市的一家汽车电池制造公司的房屋内，热带杂草（即野牛（Nephrolepis biserrata），最大恐慌（Panicum），印度E（Eleusine indica）和香椿（Chromolaena odorata））从土壤中积累铅（Pb）和镉（Cd）的潜力。探索。在潮湿和干燥季节都采集了杂草样品。采用标准分析方法收集，消化和分析杂草。两个季节的杂草中铅的含量范围分别为1990-4870、1090-1730、4800-7890和400-1210 µg g ˆ1 干重（DW），对Nephrolepis biserata，Panicum最大，靛蓝和leu香分别为两个季节，而杂草中的镉水平在D. biserata的DW为3.92-6.78 µg g -1 DW，为1.99-6.85 µg g < sup.ˆ1 DW表示最大对虾，2.90-7.40 µg g ˆ1 DW表示对大肠杆菌（E. indica），以及2.90-5.09 µg g ∠1 DW用于香茅。两个季节中铅和镉的累积量均无显着差异。所有杂草均显示出高于植物毒性范围的铅含量。相反，99％的杂草显示Cd浓度在植物毒性范围内。杂草显示出良好的土壤污染修复潜力。

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    《Toxicological & Environmental Chemistry》 |2010年第1期|p.39-49|共11页
  • 作者

    Gilbert Umaye Adie;

  • 作者单位

    Chemical Sciences Department, College of Natural Sciences, Redeemer's University, Mowe, Ogun State, Nigeria Chemistry Department, University of Ibadan, Ibadan, Oyo State, Nigeria;

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