FOURIER-TRANSFORM INFRARED PHOTOACOUSTIC-SPECTROSCOPY STUDY OF THE FREE HYDROXYL GROUP VIBRATION - DEPENDENCE ON THE PRETREATMENT TEMPERATURE

被引：28

作者：

GILLISDHAMERS, I

VRANCKEN, KC

VANSANT, EF

DEROY, G

机构：

来源：

JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS | 1992年 / 88卷 / 14期

关键词：

D O I：

10.1039/ft9928802047

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

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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页码：2047 / 2050

页数：4

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