Bulletin of the Korean Chemical Society

  • 제19권3호
  • /
  • Pages.324-327
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  • 1998
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  • 0253-2964(pISSN)
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  • 1229-5949(eISSN)
대한화학회 (Korean Chemical Society)
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Comparative Study of $Cu^{2+}$ Adsorption of Goethite, Hematite and Kaolinite : Mechanistic Modeling Approach

  • 발행 : 1998.03.20
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초록

The mechanisms of Cu2+ adsorption onto goethite, hematite and kaolinite are different. Goethite and hematite showed a similar adsorption behavior (ionic-strength independent), but kaolinite gave somewhat different result (ionic-strength dependent). These experimenal results were successfully simulated using a surface complexation model, TLM, which defines the inner- or outer-sphere complex. The chemical nature of Cu2+ adsorption onto kaolinite was qualitatively identified by EPR spectroscopy.

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