(BENZO-18-CROWN-6)-MODIFIED SILICAS - COMPARATIVE SYNTHESIS AND CATION BINDING-PROPERTIES

被引：8
|
作者：
LAUTH, M
GRAMAIN, P
机构：
[1] CNRS, Strasbourg, Fr, CNRS, Strasbourg, Fr
来源：
REACTIVE POLYMERS | 1986年 / 4卷 / 04期
关键词：
ETHERS; -; Grafting; IONS; Separation;
D O I：
10.1016/0167-6989(86)90026-7
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
The synthesis of four (benzo-18-crown-6-)-modified silicas for chromatographic separations of cations and anions is described. These modified silicas have the same chemical structure but differ in method of synthesis and particle size. Each chemical step of the synthesis is analyzed in order to determine its influence on the final equilibrium properties, such as capacities and equilibration times. An effective maximum capacity of 0. 33 meq/g is obtained.
引用
收藏
页码：257 / 267
页数：11
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