FOURIER-TRANSFORM RAMAN-SPECTROSCOPY OF PYRIDINE ADSORBED ON FAUJASITES

被引：8

作者：

FERWERDA, R ^{[1
]}

VANDERMAAS, JH ^{[1
]}

HENDRA, PJ ^{[1
]}

机构：

[1] UNIV SOUTHAMPTON,DEPT CHEM,SOUTHAMPTON SO9 5NH,HANTS,ENGLAND

来源：

VIBRATIONAL SPECTROSCOPY | 1994年 / 7卷 / 01期

关键词：

INFRARED SPECTROMETRY; RAMAN SPECTROMETRY; ADSORPTION; CATALYSTS; FAUJASITES; PYRIDINE; ZEOLITES;

D O I：

10.1016/0924-2031(94)85039-9

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Near-infrared excited Fourier transform Raman spectroscopy, using pyridine as a probe molecule provides both qualitative and quantitative information on zeolite surfaces. However, sensitivity and heating problems may occur. Notwithstanding these limitations, very small changes can be monitored in the adsorption strength of different sites on zeolite surfaces, caused by traces of water. Adsorption on different (acidic) sites affects the symmetry of the adsorption complex, and hence results in varying appearances of the vibrational modes in the spectra.

引用

页码：37 / 47

页数：11

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