Synthesis and acid-base properties of Mg-saponite

[Display omitted] Magnesium aluminosilicate was prepared and characterized by XRD analysis, Fourier transform spectroscopy (DRIFTS) and thermodesorption measurements. Compared to H-forms of zeolites, Mg-saponite contains Brønsted acid sites of a lower acidity and fairly strong Lewis acid sites. On t...

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Published in:Mendeleev communications 2017-07, Vol.27 (4), p.407-409
Main Authors: Tkachenko, Olga P., Kustov, Leonid M., Kapustin, Gennady I., Mishin, Igor V., Kuperman, Alexander
Format: Article
Language:English
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Summary:[Display omitted] Magnesium aluminosilicate was prepared and characterized by XRD analysis, Fourier transform spectroscopy (DRIFTS) and thermodesorption measurements. Compared to H-forms of zeolites, Mg-saponite contains Brønsted acid sites of a lower acidity and fairly strong Lewis acid sites. On the contrary, basic sites turned out to be weak, whereas protondonor ability can be easily recognized.
ISSN:0959-9436
DOI:10.1016/j.mencom.2017.07.031