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Speciation of heavy metals in marine sediments from the East China Sea by ICP-MS with sequential extraction
Yuan, CG; Shi, JB; He, B; Liu, JF; Liang, LN; Jiang, GB
2004
Source PublicationENVIRONMENT INTERNATIONAL
Volume30Issue:6Pages:769-783
AbstractTwelve elements (V, Cr, Mir, Fe, Co, Ni, Cu, Zn, Mo, Sn, Cd and Pb) in 24 sediment samples at eight sites (S1-S8) from the East China Sea were analyzed with the BCR sequential extraction (SE) protocol to obtain the metal distribution patterns in this region. The results showed that the heavy metal pollutions in S4 and S8 were more severe than in other sampling sites, especially Cd and Pb pollution. In the top sediments at S4 and S8, both the total contents and the most dangerous non-residual fractions of Cd and Pb were extremely high. More than 90% of the total concentrations of V, Cr, Mo and Sri existed in the residual fraction. Fe, Co, Ni, Cu and Zn mainly (more than 60%) occurred in the residual fraction. While Mir, Pb and Cd dominantly presented in the non-residual fractions in the top sediments. The metal distribution patterns with depth and the correlations between total organic carbon (TOC) and the total Fe-Mn content were also investigated. The results showed that. for most of the elements except Fe, the concentration of elements in fraction A in the top sediments was higher than that in other depth. The similar rule was also found in fraction B but not in fraction C. Besides, the distributions of V, Cd in fraction B and Pb, Cd, Cu in fraction C might be affected by TOC. (C) 2004 Elsevier Ltd. All rights reserved.
Department环境化学与生态毒理学国家重点实验室
KeywordSpeciation Heavy Metals Sequential Extraction Marine Sediments
WOS Research AreaEnvironmental Sciences & Ecology
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Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/23483
Collection环境化学与生态毒理学国家重点实验室
Recommended Citation
GB/T 7714
Yuan, CG,Shi, JB,He, B,et al. Speciation of heavy metals in marine sediments from the East China Sea by ICP-MS with sequential extraction[J]. ENVIRONMENT INTERNATIONAL,2004,30(6):769-783.
APA Yuan, CG,Shi, JB,He, B,Liu, JF,Liang, LN,&Jiang, GB.(2004).Speciation of heavy metals in marine sediments from the East China Sea by ICP-MS with sequential extraction.ENVIRONMENT INTERNATIONAL,30(6),769-783.
MLA Yuan, CG,et al."Speciation of heavy metals in marine sediments from the East China Sea by ICP-MS with sequential extraction".ENVIRONMENT INTERNATIONAL 30.6(2004):769-783.
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