Chemical and electrochemical properties of a hydrophobic deep eutectic solvent

被引：76

作者：

Ruggeri, S. ^{[1
]}

Poletti, F. ^{[1
]}

Zanardi, C. ^{[1
]}

Pigani, L. ^{[1
]}

Zanfrognini, B. ^{[1
]}

Corsi, E. ^{[1
]}

Dossi, N. ^{[2
]}

Salomaki, M. ^{[3
,4
]}

Kivela, H. ^{[3
,4
]}

Lukkari, J. ^{[3
,4
]}

Terzi, F. ^{[1
]}

机构：

[1] Univ Modena & Reggio Emilia, Dipartimento Sci Chim & Geol, Via Campi 103, I-41125 Modena, Italy

[2] Univ Udine, Dept Agrifood Environm & Anim Sci, Via Cotonificio 108, I-33100 Udine, Italy

[3] Univ Turku, Dept Chem, Vatselankatu 2, FI-20014 Turku, Finland

[4] Univ Turku, Ctr Mat & Surfaces MATSURF, Vatselankatu 2, FI-20014 Turku, Finland

来源：

ELECTROCHIMICA ACTA | 2019年 / 295卷

关键词：

Hydrophobic deep eutectic solvents; Liquid-liquid extraction; Metal extraction; Cr(VI); EXTRACTION; VISCOSITY; CHROMATE;

D O I：

10.1016/j.electacta.2018.10.086

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Hydrophobic deep eutectic solvents (DESs) have been recently introduced and acknowledged to offer remarkable advantages over the common organic solvents, thanks to their biodegradability, low toxicity and low cost. In the present paper a first study of the electrochemical properties and extraction capabilities of a prototypical hydrophobic DES, based on tetrabutylammonium chloride-decanoic acid (1:2M ratio), is carried out. A small water content is shown to be advantageous as it dramatically affects the electrical conductivity and viscosity of the solvent, i.e. the parameters of fundamental importance in electrochemistry. A critical environmental pollutant, namely Cr(VI), has been successfully extracted from aqueous phase and amperometrically detected in the DES phase. (C) 2018 Elsevier Ltd. All rights reserved.

引用

页码：124 / 129

页数：6

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