Title
Fourier-transform infrared photo-acoustic spectroscopy study of the free hydroxyl group vibration : dependence on the pretreatment temperature Fourier-transform infrared photo-acoustic spectroscopy study of the free hydroxyl group vibration : dependence on the pretreatment temperature
Author
Faculty/Department
Faculty of Sciences. Chemistry
Publication type
article
Publication
London ,
Subject
Physics
Chemistry
Source (journal)
Journal of the Chemical Society: Faraday transactions: physical chemistry and chemical physics / Chemical Society [London] - London
Volume/pages
88(1992) :14 , p. 2047-2050
ISSN
0956-5000
ISI
A1992JE78000019
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
The fundamental free hydroxyl group vibration of silica gel has been studied using high-resolution Fourier-transform infrared photo-acoustic spectroscopy (FTIR-PAS). The position of the absorption maximum shifts according to the pretreatment temperature of the silica gel. The hydroxylic environment of the free hydroxyl group probably influences the peak position. This was modelled to estimate the relative surface coverages of the free and bridged hydroxyl groups.
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