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Solid state NMR characterisation of crystalline Na2O-ZrO2-SiO2 phases

By Timothy J. Bastow, M.E. Hobday, Mark E. Smith and Harold J. Whitfield

Abstract

The NMR interactions of crystalline phases in the system Na2O-ZrO2-SiO2 have been studied by a combination of static and magic angle spinning NMR methods for the first time. A full multinuclear (O-17, Na-23, Si-29 and Zr-91) approach has been employed that allows the phases to be clearly identified. NMR interactions such as Si-29 isotropic chemical shift correlate with the known structural units present. For Na-23 the different sites can often be distinguished on the basis of differing quadrupolar interactions

Topics: Q, QD
Publisher: Elsevier Science
Year: 1996
DOI identifier: 10.1016/0926-2040(95)01198-6
OAI identifier: oai:kar.kent.ac.uk:18807
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