Studies on fluoride complexing of hexavalent actinides using a fluoride ion selective electrode

R. Sawant; N. Chaudhuri; G. Rizvi; S. Patil

doi:10.1007/bf02036308

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 91: Issue 1

Studies on fluoride complexing of hexavalent actinides using a fluoride ion selective electrode

Authors:

R. Sawant

R. Sawant Bhabha Atomic Research Centre Radiochemistry Divison Trombay 400 085 Bombay (India)

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N. Chaudhuri

N. Chaudhuri Bhabha Atomic Research Centre Radiochemistry Divison Trombay 400 085 Bombay (India)

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G. Rizvi

G. Rizvi Bhabha Atomic Research Centre Radiochemistry Divison Trombay 400 085 Bombay (India)

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S. Patil

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

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Pages:: 41–58

Online Publication Date:: 13 Aug 2005

Publication Date:: 17 Aug 1985

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02036308

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Abstract

Complex formation between actinide(VI) and fluoride ions in aqueous solutions has been investigated using a fluoride ion selective electrode (F-ISE). As fairly high acidity was used to suppress hydrolysis of the actinide(VI) ions, significant liquid junction potentials (E_j) existed in the systems. An iterative procedure was developed for computing free hydrogen ion concentration [H⁺], as it could not be measured directly, using data obtained with F-ISE. E_j values were estimated from known [H⁺] and the stability constants of fluoride complexes of actinide(VI) ions were calculated following KING and GALLAGHER's method using a computer program. The stability constants were found to follow the order U(VI)>Np(VI)>Pu(VI).

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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)