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The application of near-infrared spectroscopy for the detection of secondary uranium minerals using a fibre optic probe

Frost, Ray L., Weier, Matt L., & Reddy, B. Jagannadha (2005) The application of near-infrared spectroscopy for the detection of secondary uranium minerals using a fibre optic probe. Journal of Near Infrared Spectroscopy, 13(6), pp. 359-369.

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Abstract

The proposed increase in usage of nuclear power implies increased nuclear waste resulting in the formation of many uranyl secondary minerals. These minerals can translocate and a method of easy identification is required. Because many of the minerals contain water and/or OH units the minerals lend themselves to NIR spectroscopy. Spectra of a range of uranyl carbonate, sulphate and silicate minerals were obtained using a fibre optic probe with an ATR cell in reflectance mode. The minerals include andersonite, liebigite, rutherfordine, uranopilite, zippeite, boltwoodite, soddyite, sklodowskite, uranophane and weeksite.
These uranyl minerals are characterised by intense bands at around 7000 cm-1 resulting from second harmonic of the normal mode of the OH groups. Uranyl silicates show intense bands in the 4200 to 5400 cm-1 region. Two sets of bands which are electronic in nature, are observed: one centred upon 10100 cm-1 and a second set around 8500 cm-1 in the high wavenumber region.

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10 citations in Web of Science®

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ID Code: 3851
Item Type: Journal Article
Additional Information: Self-archiving of the author-version is not yet supported by this publisher. For more information, please refer to the journal's website (see link) or contact the author. Author contact details: r.frost@qut.edu.au
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Keywords: secondary uranium minerals, andersonite, liebigite, zippeite, uranopilite, weeksite, soddyite, near, IR spectroscopy
ISSN: 0967-0335
Divisions: Past > QUT Faculties & Divisions > Faculty of Science and Technology
Copyright Owner: Copyright 2005 NIR Publications
Deposited On: 06 Apr 2006
Last Modified: 29 Feb 2012 23:28

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