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https://open.uns.ac.rs/handle/123456789/17198
Title: | Effect of the alkyl chain length on the electrical conductivity of six (imidazolium-based ionic liquids + γ-butyrolactone) binary mixtures | Authors: | Papović Snežana Gadžurić Slobodan Marija Bešter Rogač Vraneš Milan |
Issue Date: | 2016 | Journal: | Journal of Chemical Thermodynamics | Abstract: | © 2016 Elsevier Ltd Electrical conductivity of six binary liquid mixtures of 1,3-disubstituted and 1,2,3-trisubstituted imidazolium based ionic liquids (ILs) with bis(trifluoromethylsulfonyl)imide anion with γ-butyrolactone (GBL) was measured at temperatures from (293.15 to 323.15) K and at atmospheric pressure (p = 0.1 MPa) over the whole composition range. The effects of the temperature and IL concentration on the electrical conductivity were systematically investigated. Values of the electrical conductivity were correlated using Casteel-Amis and Arrhenius equations. Molar conductivity was calculated and temperature dependance were fitted applying the Vogel-Fulcher-Tammann equation. Several semi-empirical models (quasi-Arrhenius and Bahe-Varela model) were also tested to correlate the electrical conductivity. The effect of the alkyl chain length and the influence of C-2 methylation of the imidazolium cation on the electrical conductivity features of six different binary mixtures were evaluated. | URI: | https://open.uns.ac.rs/handle/123456789/17198 | ISSN: | 0021-9614 1096-3626 |
DOI: | 10.1016/j.jct.2016.07.039 |
Appears in Collections: | PMF Publikacije/Publications |
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