Quantification of Aluminum Coordinations in Amorphous Aluminas by Combined Central and Satellite Transition Magic Angle Spinning NMR Spectroscopy

Kunathfandrei, G. and Bastow, T.J. and Hall, J.S. and Jager, C. and Smith, M.E. (1995) Quantification of Aluminum Coordinations in Amorphous Aluminas by Combined Central and Satellite Transition Magic Angle Spinning NMR Spectroscopy. Journal of Physical Chemistry, 99 (41). pp. 15138-15141. ISSN 0022-3654. (The full text of this publication is not available from this repository)

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Official URL
http://dx.doi.org/10.1021/j100041a033

Abstract

An amorphous alumina formed by partial dehydration of gibbsite is characterized by observation and simulation of the central and satellite transitions of Al-27 magic angle spinning NMR spectra. The improved resolution of the AlO4, AlO5, and AlO6 sites in the (+/-3/2, +/-1/2) transitions allows the individual sideband manifolds to be simulated so that the NMR interaction parameters and the distribution of the quadrupolar interaction of each coordination can be deduced. Based on these parameters, simulation of the centerband provides the most accurate information to date on the distribution of aluminum between the three coordinations in an amorphous alumina.

Item Type: Article
Subjects: Q Science > QD Chemistry
Divisions: Faculties > Science Technology and Medical Studies > School of Physical Sciences
Depositing User: O.O. Odanye
Date Deposited: 08 Jun 2009 13:14
Last Modified: 02 Jul 2012 08:41
Resource URI: http://kar.kent.ac.uk/id/eprint/19327 (The current URI for this page, for reference purposes)
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