N,N,N′,N′-tetrabutylmalonamide as a new extractant in n-dodecane for extraction of nitric acid and uranium(VI)

You-Schao Wang; Qou-Fang Cai; Xu-Fang Tan; Chao-Cun Wang; Bo-Rong Bao

doi:10.1007/bf02386689

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 237: Issue 1-2

N,N,N′,N′-tetrabutylmalonamide as a new extractant in n-dodecane for extraction of nitric acid and uranium(VI)

Authors:

You-Schao Wang

You-Schao Wang Laiyang Agricultural College Department of Basic Course Laiyang 265200 Shandong Province China

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Qou-Fang Cai

Qou-Fang Cai Laiyang Agricultural College Department of Basic Course Laiyang 265200 Shandong Province China

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Xu-Fang Tan

Xu-Fang Tan Laiyang Agricultural College Department of Basic Course Laiyang 265200 Shandong Province China

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Chao-Cun Wang

Chao-Cun Wang The Chinese Academy of Sciences Institute of Nuclear Research P. O. Box 800-204 201800 Shanghai China

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, and

Bo-Rong Bao

Bo-Rong Bao The Chinese Academy of Sciences Institute of Nuclear Research P. O. Box 800-204 201800 Shanghai China

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Pages:: 187–189

Online Publication Date:: 12 Apr 2006

Publication Date:: 17 Nov 1998

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02386689

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Abstract

N,N,N′,N′-tetrabutylmalonamide (TBMA) was used for extraction of uranyl(II) ion from nitric acid media into n-dodecane. The effects of nitric acid concentration, extractant concentration, temperature and back extraction on distribution coefficients of uranyl(II) ion have been studied. The extraction of nitric acid is also studied. The main adduct of TBMA and HNO₃ is (TBMA)₂·HNO₃ in 1.0 mol/l nitric acid solution. The 1:2:2 complex of uranyl(II) ion, nitrate ion and TBMA as extracted species is further confirmed by IR spectra of the extraction of uranyl(II) ion with TBMA. The values of thermodynamic parameters have also been calculated.

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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)