Synergistic extraction of tetravalent actinides by mixtures of a β-diketone and a sulfoxide

M. Sajun; V. Ramakrishna; S. Patil

doi:10.1007/bf02518410

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 63: Issue 1

Synergistic extraction of tetravalent actinides by mixtures of a β-diketone and a sulfoxide

Authors:

M. Sajun

M. Sajun Bhabha Atomic Research Centre Radiochemistry Division Trombay 400 085 Bombay (India)

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V. Ramakrishna

V. Ramakrishna Bhabha Atomic Research Centre Radiochemistry Division Trombay 400 085 Bombay (India)

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S. Patil

S. Patil Bhabha Atomic Research Centre Radiochemistry Division Trombay 400 085 Bombay (India)

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Pages:: 57–63

Online Publication Date:: 09 Jan 2007

Publication Date:: 01 Mar 1981

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02518410

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Abstract

Synergistic extraction of tetravalent actinides, using mixtures of a β-diketone and several neutral organophosphorous extractants, was recently demonstrated. In this work the extraction of the ions Th(IV), Np(IV) and Pu(IV), from perchloric acid medium, by benzene solutions of a β-diketone, thenoyltrifluoroacetone (HTTA), in combination with a neutral organosulfoxide donor, di-n-octyl sulfoxide (DOSO), has been investigated. Two methods viz. the slope analysis method and JOB's method have been employed for the study. The species mainly responsible for the observed synergism, with the M(IV) ions studied, was found to be M(TTA)₄·DOSO. The extraction and adduct formation equilibrium constants are given.

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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)