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Solvent extraction and separation of some lanthanides and americium by extraction chromatography in the system Aliquat-336 — LiNO3 and HNO3

Lösungsmittelextraktion und Trennung einiger Lanthanide und Americium durch Extraktions-chromatographie im System Aliquat-336 — LiNO3 und HNO3

Extraction par solvant et separation de quelques lanthanides et d'americium par chromatographie d'éxtraction dans le système «Aliquat-336, LiNO3, HNO3»

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Summary

The liquid-liquid extraction of Nd, Eu, Ho, and Am nitrates by means of the radiotracer method in the system tri-caprylmonomethyl ammonium nitrate /Aliquat-336/ — lithium nitrate and nitric acid was investigated.

The mixture of tracer quantities of Eu−Am, Nd−Pr, Sm−Pm, Gd−Eu, Er−Ho, Tm−Er, Yb−Tm, and Lu−Tm were separated by column partition chromatography.

Zusammenfassung

Es wurde die Flüssig-Flüssig-Extraktion von Nd-, Eu-, Ho- und Am-Nitraten mit Hilfe radioaktiver Markierung im System Tri-caprylmonomethyl-ammoniumnitrat-/Aliquat-336/-Lithiumnitrat und Salpetersäure untersucht.

Die Markierungsgemische von Eu−Am, Nd−Pr, Sm−Pm, Gd−Eu, Er−Ho, Tm−Er, Yb−Tm und Lu−Tm wurden durch Säulen-Verteilungs-Chromatographie getrennt.

Sommaire

On a étudié, au moyen de la méthode des radiotraceurs, l'éxtraction liquide-liquide de nitrates de Nd, Eu, Ho et Am dans le système «nitrate de tri-caprylmonométhyl ammonium [Aliquat-336], nitrate de lithium, acide nitrique».

Les mélanges de Eu−Am, Nd−Pr, Sm−Pm, Gd−Eu, Er−Ho, Tm−Er, Yb−Tm et Lu−Tm à la dose des traceurs radioactifs, ont été résolus en leurs composants chromatographie de partage sur colonne.

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Authors and Affiliations

  1. Laboratory of Chemistry and Radiochemistry, Institute of Nuclear Physics, Cracow, Poland

    I. Stronski

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  1. I. Stronski
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Stronski, I. Solvent extraction and separation of some lanthanides and americium by extraction chromatography in the system Aliquat-336 — LiNO3 and HNO3 . Chromatographia 2, 285–288 (1969). https://doi.org/10.1007/BF02258964

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