Literature DB >> 19466572

Speciation and assessment of heavy metals in surface sediments of Jinjiang River tidal reach, southeast of China.

Lijuan Wang1, Ruilian Yu, Gongren Hu, Xianglin Tu.   

Abstract

The concentration and speciation of heavy metals (Cr, Ni, Cu, Zn, Cd, Pb) in surface sediments (phi < or = 63 microm) of Jinjiang River tidal reach are determined to evaluate the metal behavior. A modified BCR three-step sequential extraction procedure is carried out, and the residual fraction is undertaken by microwave-assisted acid digestion. The index of geo-accumulation indicates that Cd appeared highest among all these heavy metals in surface sediments, Cr, Cu, Zn lower, and Ni, Pb the least. The percentage of Zn, Cd is comparatively higher in the acid soluble fraction, Pb and Cu higher in the reductive fraction, indicating larger potential danger to the environment. So it is essential for developing the future remediation plans and pollution control strategies.

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Year:  2009        PMID： 19466572     DOI： 10.1007/s10661-009-0961-2

Source DB:  PubMed          Journal:  Environ Monit Assess        ISSN： 0167-6369            Impact factor:   2.513


  7 in total

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  7 in total
  5 in total

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  5 in total

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