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Journal of Radioanalytical and Nuclear Chemistry

, Volume 279, Issue 1, pp 137–142 | Cite as

Extraction of microamounts of europium and americium into nitrobenzene by using hydrogen dicarbollylcobaltate in the presence of diphenyl-N-butylcarbamoylmethyl phosphine oxide

  • E. Makrlík
  • P. Vaňura
  • P. Selucký
Article

Abstract

Extraction of microamounts of europium and americium by a nitrobenzene solution of hydrogen dicarbollylcobaltate (H+B) in the presence of diphenyl-N-butylcarbamoylmethyl phosphine oxide (DPBCMPO, L) has been investigated. The equilibrium data have been explained assuming that the complexes HL+, HL 2 + , ML 2 3+ , ML 3 3+ and ML 4 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 n 3+ and AmL n 3+ , where n = 2, 3, 4 and L is DPBCMPO, in water saturated nitrobenzene are comparable.

Keywords

Nitrobenzene Americium Phosphine Oxide Chlorinate Cobalt Dicarbollide Nitrobenzene Solution 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media, LLC. 2008

Authors and Affiliations

  1. 1.Faculty of Applied SciencesUniversity of West BohemiaPilsenCzech Republic
  2. 2.Institute of Chemical TechnologyPragueCzech Republic
  3. 3.Nuclear Research InstituteŘežCzech Republic

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