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Experimental and modeling study of 241Am uptake by suspended matter in freshwater environment from southern Spain

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Abstract

Radiotracer experiments are presented on 241Am uptake in natural aqueous suspensions from a reservoir and a river in SW Spain. The uptake was followed by measuring the 241Am activity in water using a liquid scintillation technique. Experimental results revealed a three-step kinetics in the uptake, which could be satisfactorily described by a model of two parallel and reversible reactions followed by a consecutive weakly-reversible reaction. This paper also studies the effects of the concentration of suspended matter and the specific surface area on the kinetic transfer coefficients.

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Authors and Affiliations

  1. Departamento Física Aplicada I, University of Seville, E.U.I.T. Agrícola Carretera de Utrera km 1, 41013, Seville, Spain

    R. El Mrabet, J. M. Abril, G. Manjón & R. García Tenorio

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  1. R. El Mrabet
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  2. J. M. Abril
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  3. G. Manjón
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  4. R. García Tenorio
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El Mrabet, R., Abril, J.M., Manjón, G. et al. Experimental and modeling study of 241Am uptake by suspended matter in freshwater environment from southern Spain. Journal of Radioanalytical and Nuclear Chemistry 261, 137–144 (2004). https://doi.org/10.1023/B:JRNC.0000030947.24584.dc

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  • DOI: https://doi.org/10.1023/B:JRNC.0000030947.24584.dc

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