17O MQMAS NMR studies of Na-A and Ca-A

Jennifer E. Readman; Namjun Kim; Martine Ziliox; Clare P. Grey

doi:10.1039/B208356F

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¹⁷O MQMAS NMR studies of Na-A and Ca-A†

Jennifer E. Readman,^a Namjun Kim,^a Martine Ziliox^b and Clare P. Grey*^a

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* Corresponding authors

^a Department of Chemistry, State University of New York at Stony Brook, Stony Brook, NY, USA
E-mail: cgrey@sbchem.sunysb.edu
Fax: +1 631 632-5731
Tel: +1 631 632-9548

^b Center for Molecular Medicine, State University of New York at Stony Brook, Stony Brook, NY, USA

Abstract

We report, for the first time, ¹⁷O MQMAS and ¹⁷O/²³Na double resonance NMR studies on calcium-exchanged zeolite sodium-A; the results show that the isotropic shifts of the framework sites are strongly affected by factors including the hydration level and nature of the charge-balancing cations.

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Supplementary files

Fig. S1: schematic structure of zeolite A. Fig. S2: ¹⁷O 1-pulse spectra. Fig. S3: ¹⁷O MQMAS NMR spectra DOC (543K)

Article information

DOI: https://doi.org/10.1039/B208356F
Article type: Communication
Submitted: 28 Aug 2002
Accepted: 03 Oct 2002
First published: 25 Oct 2002

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Chem. Commun., 2002, 2808-2809

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¹⁷O MQMAS NMR studies of Na-A and Ca-A

J. E. Readman, N. Kim, M. Ziliox and C. P. Grey, Chem. Commun., 2002, 2808 DOI: 10.1039/B208356F

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