Synergistic extraction of uranyl thenoyltrifluoroacetonate with trioctyl phosphine oxide

K. Akiba

doi:10.1007/bf02516263

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 36: Issue 1

Synergistic extraction of uranyl thenoyltrifluoroacetonate with trioctyl phosphine oxide

Author:

K. Akiba

K. Akiba Tohoku University Research Institute of Mineral Dressing and Metallurgy Sendai (Japan)

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Pages:: 153–161

Online Publication Date:: 09 Jan 2007

Publication Date:: 01 Mar 1977

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02516263

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Abstract

Synergistic effect with a strong donor, trioctyl phosphine oxide (TOPO), has been studied in the extraction of thenoyltrifluoroacetone (TTA) complexes of uranyl ion. The chemical form of the species extracted was found to be the 1∶1 adduct, UO₂A₂·S (S∶TOPO), and no evidence was found concerning other mixed complexes. Adduct formation constants determined in twelve inert solvents vary from lg K_S=6.79 in chloroform to 9.58 in n-hexane, while their increasing order is almost the same as that for the adducts with other phosphine oxides and TBP.

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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)