Journal of Radioanalytical and Nuclear Chemistry
Volume/Issue:
Volume 160: Issue 2
Synergistic extraction of americium(III) with 2-thenoyltrifluoroacetone and crown ethers
Authors:
Y. Meguro Japan Atomic Energy Research Institute Department of Chemistry 319-11 Tokai, Ibaraki (Japan)

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W. Cheng Institute of Atomic Energy of China Analytical Chemistry Laboratory 275(88) Beijing (China)

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H. Imura Ibaraki University Department of Chemistry 310 Mito, Ibaraki (Japan)

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Z. Yoshida Japan Atomic Energy Research Institute Department of Chemistry 319-11 Tokai, Ibaraki (Japan)

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Pages:
435–442
Online Publication Date:
14 Aug 2005
Publication Date:
17 Jul 1992
Article Category:
Research Article
DOI:
https://doi.org/10.1007/bf02037118
Restricted access

Abstract  

Extracton, of Am3+ in benzene with 2-thenoyltrifluoroacetone (HTTA) and crown ethers (CEs) such as 15-crown-5, 18-crown-6, dicyclohexano-18-crown-6, dibenzo-18-crown-6, dicyclohexano-24-crown-8, and dibenzo-24-crown-8 was investigated. Synergistic effect by CE was observed regardless of the kind of CE examined. The extracted species was found to be Am(TTA)3(CE), and adduct formation constants between Am(TTA)3 and CE in the organic phase were determined. The sequence of constant could not be explained only by basicity of CE and the steric effect of CE should be taken into account to elucidate the adduct complex formation.

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Cover Journal of Radioanalytical and Nuclear Chemistry
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)

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