THE ORIGIN OF THE BAND AT 1462 CM(-1) GENERALLY APPEARING UPON DESORPTION OF PYRIDINE FROM ACIDIC SOLIDS - STEPS TOWARDS A MORE COMPREHENSIVE UNDERSTANDING

被引：25

作者：

FLEGO, C

KIRICSI, I

PEREGO, C

BELLUSSI, G

机构：

[1] Eniricerche SpA, San Donato Milanese, I-20098, MI

来源：

CATALYSIS LETTERS | 1995年 / 35卷 / 1-2期

关键词：

ACIDITY; PYRIDINE ADSORPTION-DESORPTION; IR SPECTROSCOPY; ZEOLITES; SILICA-ALUMINAS;

D O I：

10.1007/BF00807010

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 pyridine adsorption-desorption method, followed by IR spectroscopy, is generally applied for acidity determination of solid catalysts. A peculiar band at 1462 cm(-1) was observed by several authors upon pyridine desorption at higher temperatures and was interpreted in various ways. A new complex between Lewis framework acid sites and pyridine is proposed and several evidences are reported.

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页码：125 / 133

页数：9

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