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Synergistic extraction of Eu(III) with N-phosphorylated bis-ureas and chlorinated cobalt bis(dicarbollide) ion
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SYSNO ASEP 0392026 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Synergistic extraction of Eu(III) with N-phosphorylated bis-ureas and chlorinated cobalt bis(dicarbollide) ion Author(s) Selucký, P. (CZ)
Bubeníková, M. (CZ)
Rais, J. (CZ)
Grüner, Bohumír (UACH-T) RID, SAI, ORCID
Brusko, V.V. (RU)Source Title Radiochimica acta - ISSN 0033-8230
Roč. 101, č. 1 (2013), s. 27-31Number of pages 5 s. Language eng - English Country DE - Germany Keywords liquid-liquid extraction ; lanthanides ; actinides ; N-phosphorylated bis-ureas ; chlorinated cobalt bis(dicarbollide) ion ; high level liquid waste Subject RIV CA - Inorganic Chemistry R&D Projects GA104/09/0668 GA ČR - Czech Science Foundation (CSF) Institutional support UACH-T - RVO:61388980 UT WOS 000314620700005 DOI 10.1524/ract.2013.1995 Annotation Extraction of Eu(111) with a synergistic mixture of polydentate N-phosphorylated bis-ureas with the general formula (i-PrO)(2)P(O)NHC(O)NHXNHC(O)NHP(O)(Oi-Pr)(2) (X = (CH2)(7), (CH2)(2)O(CH2)(2) and (CH2)(2)O(CH2)(2)O(CH2)(2)) and chlorinated cobalt bis(dicarbollide) ion (CCD-) with formula closo-[(1,2-C2B9H8Cl3)(2)-3-Co](-) was studied using nitrobenzene as the solvent. Extraction of Eu(III) was very effective up to high concentrations of nitric acid. Eu(III) is most likely extracted into the organic phase as the [EuL2](3+) species whereas the positive charge of extracted complex is compensated by CCD and/or nitrate anions. Workplace Institute of Inorganic Chemistry Contact Jana Kroneislová, krone@iic.cas.cz, Tel.: 311 236 931 Year of Publishing 2014
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