SYNTHESIS AND CHARACTERIZATION OF A CHROMIUM SILICALITE-1

被引：61

作者：

CHAPUS, T

TUEL, A

TAARIT, YB

NACCACHE, C

机构：

[1] Institut de Recherches sur la Catalyse, C.N.R.S., Villeurbanne

来源：

ZEOLITES | 1994年 / 14卷 / 05期

关键词：

CHROMIUM SILICALITE-1; ISOMORPHOUS SUBSTITUTION; ACIDITY; SOLID-STATE NMR;

D O I：

10.1016/0144-2449(94)90108-2

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：

Chromium silicalites have been synthesized and characterized using several spectroscopic techniques. I.r. measurements associated with e.p.r. and solid-state n.m.r. data tend to indicate an isomorphous substitution of Si4+ by chromium ions in the silicalite framework. An absorption band at 960 cm-1 on the i.r. spectrum, characteristic of the incorporation in the case of titanosilicalites, is observed. Furthermore, i.r. of adsorbed pyridine reveals the existence of pyridinium ions in the material.

引用

页码：349 / 355

页数：7

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