A1 Refereed original research article in a scientific journal
Chemical and electrochemical properties of a hydrophobic deep eutectic solvent
Authors: Ruggeri S., Poletti F., Zanardi C., Pigani L., Zanfrognini B., Corsi E., Dossi N, Salomäki M., Kivelä H., Lukkari J., Terzi F.
Publisher: PERGAMON-ELSEVIER SCIENCE LTD
Publication year: 2019
Journal: Electrochimica Acta
Journal name in source: ELECTROCHIMICA ACTA
Journal acronym: ELECTROCHIM ACTA
Volume: 295
First page : 124
Last page: 129
Number of pages: 6
ISSN: 0013-4686
DOI: https://doi.org/10.1016/j.electacta.2018.10.086
Abstract
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.
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.
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