GAS-CHROMATOGRAPHIC RETENTION PROPERTIES OF ORGANOAMMONIUM EXCHANGED MONTMORILLONITES .2. CH3N+H3, (CH3)4N+, (CH3)3N+CH2C6H5 AND 1,4-DIAZABICYCLO[2.2.2]OCTANE. 2H+

被引：4

作者：

LARA, AS

EICEMAN, GA

机构：

[1] Department of Chemistry, New Mexico State University, Las Cruces

来源：

JOURNAL OF CHROMATOGRAPHY | 1991年 / 549卷 / 1-2期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1016/S0021-9673(00)91440-7

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The gas chromatographic retention properties of four organoammonium tailored montmorillonites were characterized using 68 probe molecules. The retention patterns favored a steric model in which retention was governed by three parameters: adsorbate dimensions and orientation, interlamellar plate separation distance, and inter-cation volumes in the interlamellar region. Tailored montmorillonites are limited in steric selectivity at large interlamellar plate distances by swelling and acceptance of oversized molecules.

引用

页码：283 / 295

页数：13

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