Abstract
Cationic and anionic surfactants are used for structuring of the negatively charged silica species during the formation of ordered mesoporous silicas from stable dilute silica sols, obtained by ion-exchange method. Isotherms of nitrogen adsorption-desorption at 77 K on silicas, which are prepared by the thermal decomposition of silica hydrogels, obtained at different pH using sodium dodecylsulfate or cetylpyridinium chloride as surfactants, are measured. The shape of the capillary condensation hysteresis and the type of the sorption isotherms are identified using the IUPAC classification. It is found that the adsorption and textural properties of the silica gels depend on the concentration and the type of surfactant (SAA), and also on pH.
This is a preview of subscription content, log in via an institution to check access.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
Preview
Unable to display preview. Download preview PDF.
References
References
Iler, R.K., The Chemistry of Silica: Solubility, Polymerization, Colloid and Surface Pro-perties, and Biochemistry, New York: Interscience Publication, 1979, vol.2.
Okkerse, C.K., Porous Silica, in Physical and Chemical Aspects of Adsorbents and Catalysts, Linsen, B.G., Ed., London and New York: Academic Press, 1970, 213.
Kuznetsova, T.F., Eremenko, S.I., Adsorption properties of silica gel prepared from a decationized sol, Colloud Journal, 64, 451-456 (2002).
Barby, D., Silicas, in Characterization of Powder Surfaces, Parfitt, G.D. and Sing, K.S.W., Eds., London and New York: Academic Press, 1976, 353.
Bird, P.G., Colloidal solutions of inorganic oxides, U.S. Patent 2244325, 1941.
IUPAC, Reporting physisorption data for gas/solid systems with special reference to the determination of surface area and porosity, Pure and Applied Chemistry, 57, 603-619 (1985).
Corma, A., From microporous to mesoporous molecular sieve materials and their use in catalysis, Chemical Reviews, 97, 2373-2419 (1997).
Author information
Authors and Affiliations
Corresponding author
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 2008 Springer Science + Business Media B.V
About this paper
Cite this paper
Kouznetsova, T.F., Ratko, A.I., Komarov, V.S., Eremenko, S.I., Zub, Y.L. (2008). Effect of Sodium Dodecylsulfate and Cetylpyridinium Chloride Act as Templates at Different pH Values on Sorption and Textural Properties of Mesoporous Silicas. In: Innocenzi, P., Zub, Y.L., Kessler, V.G. (eds) Sol-Gel Methods for Materials Processing. NATO Science for Peace and Security Series C: Environmental Security. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-8514-7_25
Download citation
DOI: https://doi.org/10.1007/978-1-4020-8514-7_25
Publisher Name: Springer, Dordrecht
Print ISBN: 978-1-4020-8522-2
Online ISBN: 978-1-4020-8514-7
eBook Packages: Earth and Environmental ScienceEarth and Environmental Science (R0)