STUDIES ON THE PALLADIUM AND GOLD IONS EXTRACTION WITH SOME ESTER DERIVATIVES OF CALIX[N]ARENE

被引：0
|
作者：
Saponar, Alina [1 ]
Popovici, Elisabeth-Jeanne [1 ]
Perhaita, Ioana [1 ]
Nemes, Gabriela [2 ]
机构：
[1] Univ Babes Bolyai, Raluca Ripan Inst Res Chem, Cluj Napoca 400294, Romania
[2] Univ Babes Bolyai, Fac Chem & Chem Engn, Cluj Napoca 40084, Romania
来源：
STUDIA UNIVERSITATIS BABES-BOLYAI CHEMIA | 2012年 / 57卷 / 02期
关键词：
Calixarene; liquid-liquid extraction; metal ions; ARSENATE; RECEPTORS; EFFICIENT; CHROMATE;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The capability of p-tert-butyl calix[n]arene [n = 4,6,8] functionalized at the lower rim with a variable number of ethyl acetate groups to extract palladium and gold ions from aqueous medium has been investigated. The influence of reagent molar ratio, acidity of the medium and time on the extraction efficiency was investigated by monitoring the concentration of the metallic ions from aqueous solution. In most of the cases, the half substituted calix[n]arene derivatives show a relative high extraction efficiency and are of interest as liquid-liquid extraction reagents for precious metal ions.
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页码：157 / 168
页数：12
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