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 3+2 , ML 3+3 and ML 3+4 (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, 4 and L is DPBCMPO, in water saturated nitrobenzene are comparable.
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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 diphenyl-N-butylcarbamoylmethyl phosphine oxide. J Radioanal Nucl Chem 279, 137–142 (2009). https://doi.org/10.1007/s10967-007-7203-2
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DOI: https://doi.org/10.1007/s10967-007-7203-2