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.
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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|Item Type:||Journal Article|
|Keywords:||atacamite, clinoatacamite, paratacamite, brochantite, nantokite, eriochalcite, Raman microscopy|
|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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