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Near-Infrared spectroscopy of uranyl arsenates of the autunite and metaautunite group

Frost, Ray L., Carmody, Onuma, Erickson, Kristy L., & Weier, Matt L. (2005) Near-Infrared spectroscopy of uranyl arsenates of the autunite and metaautunite group. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 61(8), pp. 1923-1927.

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Abstract

A suite of uranyl arsenates have been analysed by Near-infrared spectroscopy. The NIR spectra of zeunerite and metazeunerite in the first HOH fundamental overtone are different and the spectra of uranyl arsenates of different origins in the 6000 to 7500 cm-1 region are different. NIR spectroscopy provides a method of determination of the hydration of uranyl arsenates and has implications for the structure of water in the interlayer. Such a conclusion is also supported by the water OH stretching region where considerable differences are observed. NIR is an excellent technique for the study of the autunite minerals and may be used to distinguish between different autunite phases such as the partially dehydrated autunites for example zeunerite and metazeunerite.

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5 citations in Web of Science®

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ID Code: 1274
Item Type: Journal Article
Keywords: abernathyite, autunite, heinrichite, novacekite, zeunerite, metazeunerite, near, IR spectroscopy
DOI: 10.1016/j.saa.2004.07.023
ISSN: 1386-1425
Subjects: Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > INORGANIC CHEMISTRY (030200)
Divisions: Past > QUT Faculties & Divisions > Faculty of Science and Technology
Copyright Owner: Copyright 2005 Elsevier
Copyright Statement: Reproduced in accordance with the copyright policy of the publisher.
Deposited On: 17 Jun 2005
Last Modified: 29 Feb 2012 23:12

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