Raman spectroscopy of selected copper minerals of significance in corrosion

Frost, Ray L. (2003) Raman spectroscopy of selected copper minerals of significance in corrosion. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 59(6), pp. 1195-1204.

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Abstract

The Raman spectroscopy of selected minerals of the corrosion products has been measured including nantokite, eriochalcite, claringbullite, atacamite, paratacamite, clinoatacamite and brochantite and related minerals. The free energy of formation shows that each mineral is stable relative to copper metal. The mineral, which is formed in copper corrosion, depends on the kinetics and conditions of the reaction. Raman spectroscopy clearly identifies each mineral by its characteristic Raman spectrum. The Raman spectrum is related to the mineral structure and bands are assigned to CuCl stretching and bending modes and to SO stretching modes. Clinoatacamite is identified as the polymorph of atacamite and not paratacamite. Paratacamite is a separate mineral with a similar but different structure to that of atacamite.

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ID Code: 5413
Item Type: Journal Article
Refereed: Yes
Keywords: atacamite, clinoatacamite, paratacamite, brochantite, nantokite, eriochalcite, Raman microscopy
DOI: 10.1016/S1386-1425(02)00315-3
ISSN: 1386-1425
Divisions: Past > QUT Faculties & Divisions > Faculty of Science and Technology
Copyright Owner: Copyright 2003 Elsevier
Copyright Statement: Reproduced in accordance with the copyright policy of the publisher.
Deposited On: 09 Nov 2006 00:00
Last Modified: 29 Feb 2012 12:59

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