Bioavailability and mobility of heavy metals in soilin vicinity of a coal mine from Huaibei, China
Lu,LL(Lu,Lanlan)1,2; Liu,GJ(Liu,Guijian)1,2; Wang,J(Wang,Jie)1; Wu,YQ(Wu,Yaqin)1; Liu,Guijian
2017
发表期刊Human and Ecological Risk Assessment: An International Journal
卷号23期号:5页码:1164-1177
文章类型期刊论文
摘要This study investigated the concentrations of Co, Cr, Cu, Mn, Ni, Pb and Zn in surface soil and corn cob samples collected from agricultural fields near a coal mine from Huaibei, China. Meanwhile, the mobility and availability of heavy metals in soil samples were evaluated by a modified three-step The European Community Bureau of Reference (BCR) sequential extraction procedure. The total concentrations of metals in soil pose no ecological threats to the local plants. Transfer factors of essential metals, Cu and Zn, as well as those of non-essential metal Pb, were higher than those of the remained metals. The results of BCR fractionation analysis revealed that the acid soluble, reducible and oxidizable fractions of the Mn, Pb and Zn were higher than those of the residual fraction, suggesting that these elements may be more bioavailable. The pH and organic matter contents of soil were significant parameters affecting speciation of metals in soil samples. Hierarchical cluster analysis indicated significant correlations between metal levels in corn grains and more available (acid soluble and reducible) fractions in soil, indicating that heavy metals in the first two fractions were more available for corn crops. The elevated mobility and bioavailability of Pb in soil are of great concern in the study area.
关键词Heavy Metals Metalspeciation Bioavailability The Modified Bcr Sequentialextraction Plant Uptake
DOI10.1080/10807039.2017.1308816
收录类别SCI
语种英语
引用统计
被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/5637
专题黄土与第四纪地质国家重点实验室(2010~)
通讯作者Liu,Guijian
作者单位1.CAS Key Laboratory of Crust-Mantle Materials and the Environments, School of Earth and Space Sciences,University of Science and Technology of China, Hefei, China
2.State Key Laboratory of Loess and QuaternaryGeology, Institute of Earth Environment, The Chinese Academy of Sciences, Xi’an, Shaanxi, China
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Lu,LL,Liu,GJ,Wang,J,et al. Bioavailability and mobility of heavy metals in soilin vicinity of a coal mine from Huaibei, China[J]. Human and Ecological Risk Assessment: An International Journal,2017,23(5):1164-1177.
APA Lu,LL,Liu,GJ,Wang,J,Wu,YQ,&Liu,Guijian.(2017).Bioavailability and mobility of heavy metals in soilin vicinity of a coal mine from Huaibei, China.Human and Ecological Risk Assessment: An International Journal,23(5),1164-1177.
MLA Lu,LL,et al."Bioavailability and mobility of heavy metals in soilin vicinity of a coal mine from Huaibei, China".Human and Ecological Risk Assessment: An International Journal 23.5(2017):1164-1177.
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