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Influence of humic substances on sorption of cesium and strontium on montmorillonite

  • Fractionation of Radionuclides and Metals in Environmental Systems (Transfer and Speciation)
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Abstract

The effect of humic acid addition on the capacity of inorganic sorbents to sorb radioactive cesium and strontium was studied on montmorillonites in a calcium and potassium form. The Sips isotherm for humic acid sorption and multisite distribution model of ion sorption was found to suit well for the description of mobility of ions as a function of equilibrium humic acid concentration as a single variable at given pH and type of silicate. Complexation of the ions was of minor importance at the conditions investigated. Influence of humic acid on the specific radiocesium interception potential (SRIP) was also evaluated.

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Author notes

  1. I. S. Shaban

    Present address: Nuclear Research Center, Tajura, P.O. Box 30878, Tripoli, Libya

Authors and Affiliations

  1. Department of Nuclear Chemistry, Faculty of Natural Sciences, Comenius University, Bratislava, Slovak Republic

    I. S. Shaban & F. Macášek

Authors
  1. I. S. Shaban
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  2. F. Macášek
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Shaban, I.S., Macášek, F. Influence of humic substances on sorption of cesium and strontium on montmorillonite. J Radioanal Nucl Chem 229, 73–78 (1998). https://doi.org/10.1007/BF02389449

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  • DOI: https://doi.org/10.1007/BF02389449

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