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Extraction of microamounts of europium and americium into nitrobenzene by using hydrogen dicarbollylcobaltate in the presence of N,N′-dibutyl-N,N′-dimethyl-2-(2-dodecyloxyethyl)-malonamide

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Abstract

Extraction of microamounts of europium and americium by a nitrobenzene solution of hydrogen dicarbollylcobaltate (H+B−1) in the presence of N,N′-dibutyl-N,N′-dimethyl-2-(2-dodecyloxyethyl)-malonamide (DBDMDDOEMA, L) has been investigated. The equilibrium data have been explained assuming that the cations HL +2 , ML 3+2 and ML 3+3 (M3+ = Eu3+, Am3+) are extracted into the organic phase. The values of extraction and stability constants of the species in nitrobenzene saturated with water have been determined. It has been found that the stability constants of the corresponding complexes EuL 3+ n and AmL 3+ n , where n = 2,3 and L is DBDMDDOEMA, in water saturated nitrobenzene are comparable.

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Authors and Affiliations

  1. Faculty of Applied Sciences, University of West Bohemia, Husova 11, 306 14, Pilsen, Czech Republic

    E. Makrlík

  2. Institute of Chemical Technology, Technická 5, 166 28, Prague, Czech Republic

    P. Vaňura

  3. Nuclear Research Institute, 250 68, Řež, Czech Republic

    P. Selucký

Authors
  1. E. Makrlík
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  2. P. Vaňura
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  3. P. Selucký
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Correspondence to E. Makrlík.

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Makrlík, E., Vaňura, P. & Selucký, P. Extraction of microamounts of europium and americium into nitrobenzene by using hydrogen dicarbollylcobaltate in the presence of N,N′-dibutyl-N,N′-dimethyl-2-(2-dodecyloxyethyl)-malonamide. J Radioanal Nucl Chem 279, 287–291 (2009). https://doi.org/10.1007/s10967-007-7288-2

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  • DOI: https://doi.org/10.1007/s10967-007-7288-2

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