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Fialová, Katerina; Ondrák, Lukás; Sakmár, Michal; Vlk, Ma; Bruchertseifer, Frank; Morgenstern, Alfred; Kozempel, Ján
Journal of radioanalytical and nuclear chemistry, 05/2023, Volume: 332, Issue: 5Journal Article
This work is focused on the separation of a daughter radionuclide .sup.221Fr from medicinal .sup.225Ac to provide a source of pure .sup.221Fr fraction for other studies. To achieve such a goal, diglycolamide extraction agents were immobilized on polymer matrix and tested in extraction chromatography experiments. Particularly experiments with N,N,N',N'tetrakis2-ethylhexyldiglycolamide in nitric acid medium provided promising results and the material was further studied in column experiments. The chosen conditions of separation provided .sup.221Fr in yields over 65% with .sup.225Ac contamination under 1% in less than 5 min, which is a sufficient proof of concept suitable for further studies.
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