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
收藏
页码：349 / 355
页数：7
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