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Raman spectroscopy of the copper chloride minerals nantokite, eriochalcite and claringbullite - implications for copper corrosion

Frost, Ray L., Williams, Peter, Kloprogge, J. Theo, & Martens, Wayde N. (2003) Raman spectroscopy of the copper chloride minerals nantokite, eriochalcite and claringbullite - implications for copper corrosion. Neues Jahrbuch fuer Mineralogie. Monatshefte, 2003(10), pp. 433-445.

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Abstract

The application of Raman spectroscopy to the study of the copper chloride minerals nantokite, eriochalcite and claringbullite has enabled the vibrational modes for the CuCl, CuOH and CuOH2 to be determined. Nantokite is characterised by bands at 205 and 155 cm-1 attributed to the transverse and longitudinal optic vibrations. Nantokite also has an intense band at 463 cm-1, eriochalcite at 405 and 390 cm-1 and claringbullite at 511 cm-1. These bands are attributed to CuO stretching modes. Water librational bands at around 672 cm-1 for eriochalcite have been identified and hydroxyl deformation modes of claringbullite at 970, 906 and 815 cm-1 are observed. Spectra of the three minerals are so characteristically different that the minerals are readily identified by Raman spectroscopy. The minerals are often determined in copper corrosion products by X-ray diffraction. Raman spectroscopy offers a rapid, in-situ technique for the identification of these corrosion products.

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ID Code: 23828
Item Type: Journal Article
DOI: 10.1127/0028-3649/2003/2003-0433
ISSN: 0028-3649
Divisions: Past > QUT Faculties & Divisions > Faculty of Science and Technology
Copyright Owner: Copyright 2003 E. Schweizerbart'sche Verlagsbuchhandlung
Deposited On: 18 Jun 2009 00:10
Last Modified: 01 Mar 2012 01:02

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