首页> 外文期刊>高等学校化学研究(英文版) >Application of Short Sequential Extraction Procedure(SSEP) for the Determination of Zn, Cu, and Cd Contents in Riverbed Sludge in Hejiagou, Harbin, China
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Application of Short Sequential Extraction Procedure(SSEP) for the Determination of Zn, Cu, and Cd Contents in Riverbed Sludge in Hejiagou, Harbin, China

机译:短程萃取法(SSEP)在哈尔滨市何家沟河床污泥中锌,铜和镉含量的测定中的应用

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摘要

A short sequential extraction procedure(SSEP) was applied to the determination of more readily available metal fractions of Zn, Cu, and Cd in the riverbed sludge in Hejiagou, Harbin, China. From the results, a potential order of metal availability in seven sludge samples was proposed: Cd
机译:A short sequential extraction procedure(SSEP) was applied to the determination of more readily available metal fractions of Zn, Cu, and Cd in the riverbed sludge in Hejiagou, Harbin, China. From the results, a potential order of metal availability in seven sludge samples was proposed: Cd<Cu<Zn, and samples S1,S2, and S4 were used for the determination of total Zn content, and sample S3 used for the determination of total Cu content in the mobile and the mobilizable fractions showed the highest pollution risk. The results with regard to metal mobility in sludge samples were confirmed by the individual and global contamination factors that were calculated from the nonresidual and resi-dual metal contents. The results obtained from metal-release experiments after exposure of sludge to environmental conditions agreed well with those obtained from both SSEP and the individual and global contamination factors, indicating that the maximum metal release could be an additional factor to evaluate the heavy metal availability in contaminated sludge. A substantial time saving was achieved by using the metal-release method in the present study.

著录项

  • 来源
    《高等学校化学研究(英文版)》 |2006年第6期|696-702|共7页
  • 作者

  • 作者单位

    Energy and Environment Research Center North China Electric Power University Beijing 102206 P. R. China;

    College of Enviromnent and Resources Jilin University Changchun 130012 P. R. China;

    Department of Internal Medicine of Digestion China-Japan Union Hospital Jilin University Changchun 130033 P. R. China;

  • 收录信息 中国科学引文数据库(CSCD);
  • 原文格式 PDF
  • 正文语种 chi
  • 中图分类 化学;
  • 关键词

    Riverbed sludge; Zn; Cu; and Cd; Metal bioavailability; Retention; Release; Sequential extraction procedure;

    机译:河床污泥;锌;铜和镉;金属的生物利用度;保留;释放;顺序提取程序;
  • 入库时间 2022-08-19 04:38:17
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