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Thermo-Raman spectroscopic study of the natural layered double hydroxide manasseite

Frost, Ray L. & Reddy, B. Jagannadha (2006) Thermo-Raman spectroscopic study of the natural layered double hydroxide manasseite. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 65(3-4), pp. 553-559.

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Abstract

Raman and thermo-Raman spectroscopy have been applied to study the natural hydrotalcite manasseite Mg6Al2(OH)16(CO3).4H2O. Hydrogen bond distances calculated using a Libowitzky-type empirical function varied between 2.61 and 3.00 Å. Stronger hydrogen bonds were formed by water units as compared to the hydroxyl units. Thermo-Raman spectroscopy enabled the identification of bands attributed to the hydroxyl units. Two Raman bands at 1062 and 1058 cm-1 are assigned to symmetric stretching modes of the carbonate anion. Thermal treatment shifts these bands to higher wavenumbers indicating a change in the carbonate bonding.

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11 citations in Web of Science®

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276 since deposited on 17 Oct 2006
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ID Code: 5251
Item Type: Journal Article
Additional Information: This paper is one of a series of papers on the characterisation of hydrotalcites
Keywords: Manasseite, Sjogrenite, Stitchtite, Iowaite, Desautelsite, Takovite, Hydrotalcite, Raman spectroscopy
DOI: 10.1016/j.saa.2005.12.007
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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