Extraction behavior of uranium(VI), plutonium(IV) and some fission products with gamma pre-irradiated n -dodecane solutions of N,N′-dihexyl substituted amides

P. Ruikar; M. Nagar; M. Subramanian; K. Gupta; N. Varadarajan; R. Singh

doi:10.1007/bf02036302

Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 196: Issue 1

Extraction behavior of uranium(VI), plutonium(IV) and some fission products with gamma pre-irradiated n -dodecane solutions of N,N′-dihexyl substituted amides

Authors:

P. Ruikar

P. Ruikar Bhabha Atomic Research Centre Radiochemistry Division Trombay 400,085 Bombay India

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M. Nagar

M. Nagar Bhabha Atomic Research Centre Radiochemistry Division Trombay 400,085 Bombay India

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M. Subramanian

M. Subramanian Bhabha Atomic Research Centre Radiochemistry Division Trombay 400,085 Bombay India

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K. Gupta

K. Gupta PREFRE 401 502 Tarapur India

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N. Varadarajan

N. Varadarajan PREFRE 401 502 Tarapur India

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R. Singh

R. Singh PREFRE 401 502 Tarapur India

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Pages:: 171–178

Online Publication Date:: 13 Aug 2005

Publication Date:: 17 Sep 1995

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02036302

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Abstract

The extraction behavior of uranium(VI), plutonium(IV) and some fission products like zirconium(IV), ruthenium(III) and europium(III) from 3.5M nitric acid with -irradiated organic phase pre-equilibratedn-dodecane solutions of dihexyl derivatives of hexanamide (DHHA), octanamide (DHOA) and decanamide (DHDA) has been investigated as a function of absorbed dose upto 184·10⁴ Gy. The results indicate that the extraction of uranium(VI) decreases gradually with dose upto 72·10⁴ Gy and becomes almost constant thereafter, while, the extraction of plutonium(IV) decreases upto a dose of 20·10⁴ Gy and then increases rapidly up to a dose of 82·10⁴ Gy indicating synergistic effects of radiolytic products formed at higher doses. Extraction of zirconium(IV) increases gradually upto a dose of 72·10⁴ Gy. Europium(III) does not get extracted with any of these amides in the entire dose range (0–184·10⁴ Gy) studied, however, ruthenium shows insignificant increase in extraction with dose. The decrease inD values noticed in the case of plutonium and zirconium after the dose of 72·10⁴ Gy which was attributed to the third phase formation and emulsification. Infrared studies confirm the final products of radiolysis as the respective amines and carboxylic acids. The degraded amide contents have been estimated by quantitative IR spectrophotometric technique. Extraction data obtained for uranium(VI) and plutonium(IV) with TBP/n-dodecane system have also been compared under similar experimental conditions.

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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)