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Heavy Metal Pollution Characteristics in the Sediment of Elephant Lake in Nanchang City, Jiangxi
Abstract:
In order to understand the pollution features of heavy metals in sediments of Elephant Lake in Nanchang city, sediment samples were collected and detected .Using microwave digestion and BCR Method for sediment pre-treatment, the concentrations of heavy elements were measured by ICP-OES emission spectrometer. Sediment heavy metal contents were in descending order of Zn> Pb> Cu> Cr> As> Cd. According to the national soil environmental quality standards of P.R.China, there was Cd contamination in lakebed mud. And five kinds of metals existed mainly in oxidizable (F3) and residual (F4) , indicating less risk of migration of heavy metals .
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380-384
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October 2013
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© 2014 Trans Tech Publications Ltd. All Rights Reserved
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