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Electron paramagnetic resonance and optical absorption spectral studies on chalcocite

Frost, Ray L., Reddy, S. Lakshmi, Fayazuddin, Mohammed, & Endo, Tamio (2007) Electron paramagnetic resonance and optical absorption spectral studies on chalcocite. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 68, pp. 420-423.

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Abstract

A chalcocite mineral sample of Shaha, Congo is used in the present study. An EPR study on powdered sample confirms the presence of Mn(II), Fe(III) and Cu(II). Optical absorption spectrum indicates that Fe(III) impurity is present in octahedral structure whereas Cu(II) is present in rhombically distorted octahedral environment. Mid infrared results are due to water and sulphate fundamentals.

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452 since deposited on 26 Oct 2007
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ID Code: 10435
Item Type: Journal Article
Keywords: EPR, optical absorption, copper, manganese, iron, chalcocite
DOI: 10.1016/j.saa.2006.11.046
ISSN: 1386-1425
Subjects: Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > PHYSICAL CHEMISTRY (INCL. STRUCTURAL) (030600) > Structural Chemistry and Spectroscopy (030606)
Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > PHYSICAL CHEMISTRY (INCL. STRUCTURAL) (030600) > Structural Chemistry and Spectroscopy (030606)
Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > PHYSICAL CHEMISTRY (INCL. STRUCTURAL) (030600) > Colloid and Surface Chemistry (030603)
Divisions: Past > QUT Faculties & Divisions > Faculty of Science and Technology
Current > Research Centres > Science Research Centre
Copyright Owner: Copyright 2007 Elsevier
Copyright Statement: Reproduced in accordance with the copyright policy of the publisher
Deposited On: 26 Oct 2007
Last Modified: 29 Feb 2012 23:34

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