Task-specific ionic liquid trioctylmethylammonium salicylate as extraction solvent for transition metal ions

被引：140

作者：

Egorov, Vladimir M. ^{[1
]}

Djigailo, Dmitry I. ^{[1
]}

Momotenko, Dmitry S. ^{[1
]}

Chernyshov, Denis V. ^{[1
]}

Torocheshnikova, Irina I. ^{[1
]}

Smirnova, Svetlana V. ^{[1
]}

Pletnev, Igor V. ^{[1
]}

机构：

[1] Moscow MV Lomonosov State Univ, Dept Chem, Moscow 119992, Russia

来源：

TALANTA | 2010年 / 80卷 / 03期

基金：

俄罗斯基础研究基金会;

关键词：

Ionic liquids; Solvent extraction; Transition metals; Voltammetric analysis; AQUEOUS-SOLUTIONS; CROWN-ETHER; LIQUID/LIQUID EXTRACTION; MEDIA; IRON(III); BEHAVIOR; CATIONS; ACID; COPPER(II); MECHANISM;

D O I：

10.1016/j.talanta.2009.09.003

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A quaternary ammonium-based room temperature ionic liquid trioctylmethylammonium salicylate (TOMAS) has been studied as an extractant of transition metal ions (Fe3+, Cu2+, Ni2+. Mn2+) in aqueous solutions. The effect of pH value on the recovery of metal ions has been investigated. The mechanism of extraction into the ionic liquid has been proposed. The possibility of stripping voltammetric determination of transition metals in aqueous solutions using TOMAS-modified electrodes has been demonstrated. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：1177 / 1182

页数：6

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