140Ba → 140La radionuclide generator: reverse-tandem scheme
Dadakhanov J.A. Velichkov A.I. Karaivanov D.V. Baimukhanova A.E. Temerbulatova N.T. Marinov G.M. Marinova A.P. Vorobeva M.Y. Yushin N.S. Alshoubaki H.M. Filosofov D.V.
1 July 2025Walter de Gruyter GmbH
Radiochimica Acta
2025#113Issue 7529 - 537 pp.
The paper introduces two reverse-tandem schemes of the 140Ba → 140La radionuclide generator which allow obtaining the daughter radionuclide 140La for different applications in nuclear spectroscopy and as a tracer for radiochemical separations. The tandem generator system includes two stages: a chromatographic separation of parent and daughter radionuclides based on the main reverse column (cation-exchange column), and purification based on tandem column (extraction column). The main chromatographic separation is carried out in acetic acid media. Use of 140La preparation with high specific activity in the perturbed angular γγ-correlation method is discussed.
140Ba , 140La , chromatographic separation , perturbed angular γγ-correlation method (γγ-PAC) , radionuclide generator , reverse-tandem separation scheme
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Joint Institute for Nuclear Research, 6 Joliot-Curie St., Dubna, 141980, Russian Federation
Institute of Nuclear Physics of the Academy of Sciences of the Republic of Uzbekistan, Ulugbek, Tashkent, 100214, Uzbekistan
Institute for Nuclear Research and Nuclear Energy of the Bulgarian Academy of Sciences, 72 Tsarigradsko Shosse Blvd., Sofia, 1784, Bulgaria
Institute of Nuclear Physics, 1 Ibragimova St., Almaty, 050032, Kazakhstan
Jordan Atomic Energy Commission, Shafa Badran, Amman, 11934, Jordan
Joint Institute for Nuclear Research
Institute of Nuclear Physics of the Academy of Sciences of the Republic of Uzbekistan
Institute for Nuclear Research and Nuclear Energy of the Bulgarian Academy of Sciences
Institute of Nuclear Physics
Jordan Atomic Energy Commission
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