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April 1, 1998The Journal of Physical Chemistry B

Accessibility of Cation Site in Zeolites by 6Li MAS NMR Spectroscopy Using Paramagnetic O2 as a Chemical Shift Agent. The Example of Zeolite Li-LSX

J. Plévert L.C. de Ménorval Francesco Di Renzo François Fajula

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Abstract

A method based on the paramagnetic effect of physisorbed molecular oxygen is proposed for the discrimination of the different extraframework lithium cation sites in faujasite-type zeolites by solid-state NMR spectroscopy. The method allows a quantitative evaluation of the population of differently exposed cation sites.

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Plévert et al. (1998) studied this question.

synapsesocial.com/papers/6a9cd08c311d8b77c6417573 https://doi.org/10.1021/jp9802937

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