Uranium oligomerization in chloride-based high temperature melts: In situ XAS studies / Bhatt A.I., Du Fou De Kerdaniel E., Kinoshita H., Livens F.R., May I., Polovov I.B., Sharrad C.A., Volkovich V.A., Charnock J.M., Lewin R.G. // Inorganic Chemistry. - 2005. - V. 44, l. 1. - P. 2-4.

ISSN:
00201669
Type:
Article
Abstract:
In situ EXAFS spectroscopic studies of uranium compounds in high temperature alkali chloride melts indicate the presence of oligomeric species. An investigation into UCl3 and UCl4 dissolved in LiCl reveals long range ordering of uranium atoms in the molten state which is not maintained on quenching. Studies of uranium dioxide dissolved in LiCl-KCl eutectic with HCl exhibit long range ordering in both molten and quenched states, and the EXAFS data can be modeled using multiple coordination shells.
Author keywords:
Index keywords:
chloride; hydrochloric acid; lithium chloride; uranium dioxide; absorption spectroscopy; article; dissolution; high temperature; molecular weight; oligomerization; oscillation; room temperature; speci
DOI:
10.1021/ic048617v
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https://www.scopus.com/inward/record.uri?eid=2-s2.0-19944426008&doi=10.1021%2fic048617v&partnerID=40&md5=cddb9e416c7f572fb143c313c8d8e39b
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Link https://www.scopus.com/inward/record.uri?eid=2-s2.0-19944426008&doi=10.1021%2fic048617v&partnerID=40&md5=cddb9e416c7f572fb143c313c8d8e39b
Affiliations Centre for Radiochemistry Research, Department of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom; Rare Metals Department, Ural State Technical University, 19 Mira Street, Ekaterinburg 62002, Russian Federation; CCLRC Daresbury Laboratory, Warrington, Cheshire WA4 4AD, United Kingdom; Nucl. Sci. and Technology Services, BNFL, Seascale, Cumbria CA20 IPG, United Kingdom; Groupe de Radiochimie, Institut de Physique Nucleaire, Université de Paris-Sud-11, 91406 Orsay, France
Chemicals/CAS chloride, 16887-00-6; hydrochloric acid, 7647-01-0; lithium chloride, 7447-41-8; uranium dioxide, 1344-57-6
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Correspondence Address May, I.; Centre for Radiochemistry Research, Department of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom; email: iain.may@man.ac.uk
CODEN INOCA
Language of Original Document English
Abbreviated Source Title Inorg. Chem.
Source Scopus