Abstract
Solid intermediate phases obtained from amorphous aluminosilicate gels during mordenite crystallization have been characterized by multinuclear solid-state NMR spectroscopy. The progressive reorganization of the amorphous gel into the crystalline ordered zeolitic phase has been detected by high resolution magic-angle-spinning (HRMAS) solid state 29Si-NMR. Broad band solid state 27Al and 23Na-NMR were used to follow the incorporation of Al- and Na-atoms into the mordenite lattice and channels. An evidence of aluminium gradient in the crystallites is obtained from the comparison between surface and bulk analysis methods.
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© 1984 Martinus Nijhoff Publishers, The Hague
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Bodart, P., Gabelica, Z., Nagy, J.B., Debras, G. (1984). Multinuclear Solid-State NMR Study of Mordenite Crystallization. In: Ribeiro, F.R., Rodrigues, A.E., Rollmann, L.D., Naccache, C. (eds) Zeolites: Science and Technology. NATO ASI Series, vol 80. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-6128-9_8
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DOI: https://doi.org/10.1007/978-94-009-6128-9_8
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