Near Infrared spectroscopic study of selected hydrated hydroxylated phosphates

Frost, Ray L. and Erickson, Kristy L. (2005) Near Infrared spectroscopic study of selected hydrated hydroxylated phosphates. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 61(1-2). pp. 45-50.

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DOI : 10.1016/j.saa.2004.03.010

Abstract

Near infrared spectroscopy has been applied to a suite of hydrated hydroxylated phosphate minerals including cacoxenite, hureaulite, planerite, gormanite and wardite. The NIR spectra may be conveniently divided into three regions (a) the first hydroxyl fundamental (b) the water HOH overtone and (c) the region between 4000 and 4800 cm-1 where combination bands resulting from the bands in the mid-IR. For each of these regions, the minerals show distinctive spectra which enable their identification and characterisation. NIR spectroscopy is a less used technique which does have great application for the study of minerals, particularly minerals which have hydrogen in the structure either as hydroxyl units or as water bonded to the cation or as zeolitic water as is the case for cacoxenite. The study of minerals on planets is topical and NIR spectroscopy provides a rapid technique for the distinction and identification of minerals.

ID Code:	780
Item Type:	Journal Article
Keywords :	cacoxenite, hureaulite, planerite, gormanite, strengite, variscite, combination bands, difference bands, DRIFT, mid, infrared, near, infrared, Raman
ISSN:	1386-1425
Subjects:	Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > INORGANIC CHEMISTRY (030200)
Divisions:	QUT Faculties and Divisions > Faculty of Science
Copyright Owner :	Copyright 2005 Elsevier
Copyright Statement :	Reproduced in accordance with the copyright policy of the publisher.
Deposited On:	08 Mar 2005
Last Modified:	03 Dec 2008 12:06

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