Effect of quartz substrate on adsorption and texture properties of titanium-containing silica membranes

Effect of quartz substrate on adsorption and texture properties of titanium-containing silica... Sol-gel method with joint hydrolysis of silicon and titanium alkoxides were used to synthesize titanium-containing silica membranes on a macroporous quartz substrate. Isotherms of low-temperature adsorption-desorption of nitrogen by the samples obtained were measured. Characteristic features inherent in mesoporous samples were found in the isotherms. A change in the adsorption properties of the membranes was observed upon a preliminary treatment of the substrate with a mixture of hydrogen peroxide and concentrated sulfuric acid. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Applied Chemistry Springer Journals

Effect of quartz substrate on adsorption and texture properties of titanium-containing silica membranes

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Publisher
Springer US
Copyright
Copyright © 2013 by Pleiades Publishing, Ltd.
Subject
Chemistry; Chemistry/Food Science, general; Industrial Chemistry/Chemical Engineering
ISSN
1070-4272
eISSN
1608-3296
D.O.I.
10.1134/S1070427213060189
Publisher site
See Article on Publisher Site

Abstract

Sol-gel method with joint hydrolysis of silicon and titanium alkoxides were used to synthesize titanium-containing silica membranes on a macroporous quartz substrate. Isotherms of low-temperature adsorption-desorption of nitrogen by the samples obtained were measured. Characteristic features inherent in mesoporous samples were found in the isotherms. A change in the adsorption properties of the membranes was observed upon a preliminary treatment of the substrate with a mixture of hydrogen peroxide and concentrated sulfuric acid.

Journal

Russian Journal of Applied ChemistrySpringer Journals

Published: Jul 24, 2013

References

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