Refereed journal article or data article (A1)

Chemical and electrochemical properties of a hydrophobic deep eutectic solvent




List of 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 number: 295

Number of pages: 6

ISSN: 0013-4686

DOI: http://dx.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.


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