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Characterization of clinohumite by selected spectroscopic methods

Frost, Ray L., Reddy, S. Lakshmi, Reddy, N.C. Gangi, Reddy, G. Siva, & Reddy, B. Jagannatha (2006) Characterization of clinohumite by selected spectroscopic methods. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 65(3-4), pp. 684-688.

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Abstract

Clinohumite, a humite group mineral, originated from Pamir Mountains, USSR is used in the present work. Optical absorption, electron paramagnetic resonance (EPR), near infrared (NIR) and Mossabauer techniques are used in the characterization of the mineral sample. The optical absorption spectrum indicates that Fe(II) impurity is present in two sites with distorted octahedral structure. NIR results are attributed to water fundamentals.

EPR studies on powder sample confirm the presence of Mn(II) in three different sites and also an iron impurity. Mossabauer studies confirm the presence of iron impurity in two different sites.

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334 since deposited on 17 Oct 2006
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ID Code: 5248
Item Type: Journal Article
Keywords: humite, clinohumite, electron paramagnetic resonance, near infrared spectroscopy, Mossabauer spectroscopy, optical absorption, electron paramagnetic resonance
DOI: 10.1016/j.saa.2005.12.030
ISSN: 1386-1425
Subjects: Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000)
Divisions: Past > QUT Faculties & Divisions > Faculty of Science and Technology
Copyright Owner: Copyright 2006 Elsevier
Copyright Statement: Reproduced in accordance with the copyright policy of the publisher.
Deposited On: 17 Oct 2006
Last Modified: 29 Feb 2012 23:24

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