Issue 30, 2011
From the journal:

Physical Chemistry Chemical Physics

Zeolites X and A crystallization compared by simultaneous UV/VIS-Raman and X-ray diffraction†

Anouschka Depla,a   Elke Verheyen,a   An Veyfeyken,a   Elena Gobechiya,a   Thomas Hartmann,b   Reinhold Schaefer,c   Johan A. Martensa  and  Christine E. A. Kirschhock*a  

* Corresponding authors

a Catholic University of Leuven, M2S, Center for Surface Chemistry and Catalysis, 3001 Heverlee, Belgium
E-mail: Christine.Kirschhock@biw.kuleuven.be
Fax: +32 16 321998
Tel: +32 16 321637

b Stoe & Cie GmbH, Hilpertstr. 10, D-64295 Darmstadt, Germany
E-mail: hartmann@stoe.com
Fax: +49 6151 988788
Tel: +49 6151 988721

c Reinhold Schäfer, S&I Spectroscopy & Imaging GmbH, Poststr. 3, D-59609 Anroechte, Germany
E-mail: Reinhold@s-and-i.eu
Fax: +49-2947-075095
Tel: +49-2947-975090

Abstract

The hydrothermal crystallizations of two zeolite topologies (FAU and LTA) have been studied by simultaneous UV-Raman spectroscopy and X-ray diffraction in a home built setup. A wide angle X-ray diffractometer has been redesigned and combined with Raman components. The results revealed, despite similar structures of the starting gels, different aluminosilicate species evolved in the two systems, prior to emerging Bragg scattering. Based on this the sodalite cage could be ruled out as a common building unit for both frameworks.

Graphical abstract: Zeolites X and A crystallization compared by simultaneous UV/VIS-Raman and X-ray diffraction

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Article information

DOI
https://doi.org/10.1039/C1CP20157C
Article type
Paper
Submitted
18 Jan 2011
Accepted
23 May 2011
First published
30 Jun 2011

Phys. Chem. Chem. Phys., 2011,13, 13730-13737

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Zeolites X and A crystallization compared by simultaneous UV/VIS-Raman and X-ray diffraction

A. Depla, E. Verheyen, A. Veyfeyken, E. Gobechiya, T. Hartmann, R. Schaefer, J. A. Martens and C. E. A. Kirschhock, Phys. Chem. Chem. Phys., 2011, 13, 13730 DOI: 10.1039/C1CP20157C

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