Molecular Adsorption on Porous Silica Gels from Binary Solutions

J. M. Drake*, Pierre Levitz, Joseph Klafter

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

In this paper we present a detailed experimental study of molecular adsorption on interfaces of silica gels from binary solutions of alcohol/toluene. The adsorption measurements are corroborated with infrared spectra of the surface hydroxyl groups and with NMR results. The adsorption isotherms are analyzed within the framework of the Everett approach and possible scaling relations between alcohol monolayer capacities and adsorbate cross sections are discussed. We conclude that reliable morphological information on the interfaces cannot be obtained from these adsorption experiments.

Original languageEnglish
Pages (from-to)135-145
Number of pages11
JournalIsrael Journal of Chemistry
Volume31
Issue number2
DOIs
StatePublished - 1991

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