Temperature dependence of activity coefficients and Gibbs energies of transfer of LiBr in acetonitrile, dimethyl sulfoxide, and N,N-dimethylacetamide from EMF measurements

Barthel, Josef and Neueder, R. and Schröder, A. (1997) Temperature dependence of activity coefficients and Gibbs energies of transfer of LiBr in acetonitrile, dimethyl sulfoxide, and N,N-dimethylacetamide from EMF measurements. CANADIAN JOURNAL OF CHEMISTRY-REVUE CANADIENNE DE CHIMIE, 75 (11). pp. 1500-1507. ISSN 0008-4042

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Abstract

Electromotive force (EMF) measurements based on the redox reaction LixHg(1) + TlBr(s) reversible arrow LiBr(solv, C-LiBr) + TlxHg(1) are reported for solutions of LiBr at concentrations 0.005 < c(LiBr)/(mol dm(-3)) < 0.1 in acetonitrile (AN), dimethyl sulfoxide (DMSO), and N,N-dimethylacetamide (DMA) in the temperature range 278.15 < T/K < 308.15. Gibbs energies of transfer and activity coefficients are estimated. The association constants of LiBr in AN, DMSO, and DMA from EMF measurements and the enthalpy of transfer AN --> DMSO are compared to those from other methods of determination.

Item Type: Article
Uncontrolled Keywords: ELECTROLYTES; temperature-dependent EMF measurements; aprotic solvents; LiBr; TlBr(s)vertical bar TlxHg(1) electrode; activity coefficients; transfer quantities
Subjects: 500 Science > 540 Chemistry & allied sciences
Divisions: Chemistry and Pharmacy > Institut für Physikalische und Theoretische Chemie
Depositing User: Dr. Gernot Deinzer
Date Deposited: 02 Mar 2023 09:20
Last Modified: 02 Mar 2023 09:20
URI: https://pred.uni-regensburg.de/id/eprint/50422

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