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Evaluation of Metal Contamination in Sediments of River in Suzhou City, China

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Abstract:

Heavy metal concentrations of the sediment from Tuohe river in Suzhou city, northern Anhui Province were determined, and the index of Geo-accumulation (Igeo) was calculated for evaluating the extent of the metal contamination. The principal components analysis (PCA) and correlation matrix(CM) have been used for the sources of heavy metal. The result showed: The degree of pollution arranged in the following decreasing order: Cu＞Zn＞As＞Pb＞Cr＞V, V is unpolluted, Cr, Pb and As are light pollution, Cu and Zn are moderate pollution; Cu, V and Zn mainly originate from human activities, Pb and As mainly derived from the source rock, Cr mainly derived from clay minerals and colloidal material.

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Periodical:

Advanced Materials Research (Volumes 518-523)

Pages:

3011-3014

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.518-523.3011

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Online since:

May 2012

Authors:

Song Chen, He Rong Gui

Keywords:

Correlation Matrix, Geo-Accumulation, Heavy Metal, Principal Component Analysis (PCA)

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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