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The combined application of SEM/EDX and micro-Raman spectroscopy to analyse uranium minerals from a former uranium mine

Stefaniak, Elzbieta A., Alsecz, Anita, Frost, Ray L., Mathe, Zoltan, Sajo, Istvan E., Torok, Szabina, Worobiec, Anna, & van Grieken, Rene (2009) The combined application of SEM/EDX and micro-Raman spectroscopy to analyse uranium minerals from a former uranium mine. Journal of Hazardous Materials, 168(1), pp. 416-423.

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Abstract

Samples of the secondary uranium minerals collected in the abandoned uranium mine at Pecs (Hungary) were investigated by two micro-techniques: scanning electron microscopy (SEM/EDX) and micro-Raman spectroscopy (MRS). They were applied to locate U-rich particles and identify the chemical form and oxidation state of the uranium compounds. The most abundant mineral was a K and/or Na uranyl sulphate (zippeite group). U(VI) was also present in the form of a trioxide; evidently in much lower content.than sulphate. Few particles with U3O8 and uraninite (primary mineral exploited formerly in this mine) were also detected. This research has shown the successful application of micro-Raman spectroscopy for the identification of uranyl mineral species on the level of individual particles.

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13 citations in Web of Science®

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ID Code: 20971
Item Type: Journal Article
Additional URLs:
Keywords: uranium minerals, uranyl ion, uranium mine, micro-Raman spectroscopy, SEM/EDX
DOI: 10.1016/j.jhazmat.2009.02.057
ISSN: 0304-3894
Subjects: Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > THEORETICAL AND COMPUTATIONAL CHEMISTRY (030700)
Divisions: Past > QUT Faculties & Divisions > Faculty of Science and Technology
Past > Schools > School of Physical & Chemical Sciences
Copyright Owner: Copyright 2009 Elsevier
Deposited On: 04 Jun 2009 09:26
Last Modified: 14 Nov 2013 08:08

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