Polymer-supported crown ethers: Adsorption abilities of lariat azacrown ethers

被引：0
|
作者：
Chung, KB [1 ]
Kim, HH
Chang, SH
机构：
[1] Hanseo Univ, Dept Chem Engn, Seosan 356820, South Korea
[2] Sunmoon Univ, Dept Chem Engn, Asan 336840, South Korea
[3] Taegu Univ, Dept Chem, Kyungsan 712714, South Korea
来源：
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2000年 / 6卷 / 01期
关键词：
adsorption; supported lariat azacrown; alkali picrate; oxygen donors;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The adsorption ability of the supported lariat azacrowns for alkali picrate has been studied. The lariat crown ethers with extra oxygen donors in the spacer chain exhibited higher adsorption than the corresponding supported crowns without the donors in the spacer. The increased adsorption ability was concluded to result from the enhanced binding with alkali ion, induced by the cooperative coordination of the crown unit donors and the donors in the spacer chain. The recovered crown ethers could be re-used without decrease in adsorption ability.
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页码：8 / 12
页数：5
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