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- W2386042529 abstract "14 sediments specimens were sampled systematically from Xiangjiang River(Changsha section) and dissolved using HCl-HNO3-HF-HClO4.The following elements were determined by ICP-AES: Al,Cd,Co,Cr,Cu,Fe,Li,Mg,Mn,Ni,Pb,Sr,V and Zn.Cluster analysis suggested that the heavy metals can be classified into three groups of natural sources(Cu,Ni and Pb),non-ferrous metal smelting sources in the upper reaches,and Changsha internal industrial sources(Cr).The potential ecological risk index and the index of geoaccumulation were used to evaluate the contamination level of heavy metals in the sediments.The results indicated that Xiangjiang River(Changsha section) was heavily polluted by Cd and Zn with concentrations ranging from 2.7-20.9 mg/kg and 209.3-662.4 mg/kg,respectively,RI values in this area varied from 178 to 1285 and the mean value reached 603 implying very high ecological risks in most of the sampling sites of the studied area,which were mainly from Cd,and the pollution characteristic of multi-metals in this section was mainly related to Cd." @default.
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- W2386042529 date "2012-01-01" @default.
- W2386042529 modified "2023-09-24" @default.
- W2386042529 title "Evaluation of Heavy Metals Pollution in Sediments of Xiangjiang River(Changsha Section)" @default.
- W2386042529 hasPublicationYear "2012" @default.
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