Separation of .sup.167Tm, .sup.165Er and .sup.169Yb from erbium targets irradiated by 60 MeV alpha particles

Thin .sup.natEr.sub.2O.sub.3 targets were irradiated on cyclotron by 60 MeV alpha particles. Thulium and ytterbium radioisotopes, formed during irradiation, were separated from the target material and the one from another by extraction chromatography using Ln Resin in nitric solution. .sup.165Er, fo...

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Bibliographic Details
Published in:Journal of radioanalytical and nuclear chemistry 2021-08, Vol.329 (2), p.983
Main Authors: Aliev, Ramiz A, Khomenko, Irina A, Kormazeva, Ekaterina S
Format: Article
Language:English
Subjects:
Nuclear facilities
Rare earth metals
Online Access:Get full text
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Summary:Thin .sup.natEr.sub.2O.sub.3 targets were irradiated on cyclotron by 60 MeV alpha particles. Thulium and ytterbium radioisotopes, formed during irradiation, were separated from the target material and the one from another by extraction chromatography using Ln Resin in nitric solution. .sup.165Er, formed mainly by the decay chain .sup.165Yb [right arrow] .sup.165Tm [right arrow] .sup.165Er, was isolated after ingrowth in the thulium fraction by an additional extraction chromatography step using the same sorbent. Recovery of thulium and ytterbium radioisotopes was > 90%.
ISSN:0236-5731
DOI:10.1007/s10967-021-07865-y