Extraction chromatographic separation of carrier-free Tb and Pm generated in (p, xn)-type nuclear reactions

Do Tiung; N. Lebedev; Nguyen Main; V. Khalkin

doi:10.1007/bf02516968

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 30: Issue 2

Extraction chromatographic separation of carrier-free Tb and Pm generated in (p, xn)-type nuclear reactions

Authors:

Do Tiung

Do Tiung Joint Institute for Nuclear Research Dubna (USSR)

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N. Lebedev

N. Lebedev Joint Institute for Nuclear Research Dubna (USSR)

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Nguyen Main

Nguyen Main Joint Institute for Nuclear Research Dubna (USSR)

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V. Khalkin

V. Khalkin Joint Institute for Nuclear Research Dubna (USSR)

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Pages:: 353–360

Online Publication Date:: 09 Jan 2007

Publication Date:: 01 Sep 1976

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02516968

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Abstract

The nuclear reactions of (p, xn)-type, E_p=100–120 MeV, on Gd and Nd have been used to produce highly radioactive preparations of Tb and Pm enriched with neutron-deficient isotopes. Under comparable conditions the yields of practically all isotopes are considerably higher than in Tb and Gd spallation reactions at E_p=660 MeV. The radioactivity of screened¹⁵⁴Tb and¹⁵⁶Tb isotopes has been increased more than 40 times. Tb and Pm were separated from gram amounts of the target-elements by the extraction chromatography technique with undiluted di-(2-ethylhexyl) phosphoric acid as stationary phase. The radiochemical method developed was also applied to separate the radiochemically pure preparation of¹⁶¹Tb from Gd oxide irradiated with thermal neutrons.

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Journal of Radioanalytical and Nuclear Chemistry

Print ISSN:: 0236-5731

Online ISSN:: 1588-2780

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Journal of Radionalytical and Nuclear Chemistry
Language	English
Size	A4
Year of Foundation	1968
Volumes per Year	1
Issues per Year	12
Founder	Akadémiai Kiadó
Founder's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher	Akadémiai Kiadó Springer Nature Switzerland AG
Publisher's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245. CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible Publisher	Chief Executive Officer, Akadémiai Kiadó
ISSN	0236-5731 (Print)
ISSN	1588-2780 (Online)