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The effect of temperature on association constants and conductivities of ferrous chloride and ferric chloride in DMF-water mixtures
Süheyla Pura Ergin (1,*)
(1) Istanbul University, Engineering Faculty, Department of Chemistry, Avcilar, Istanbul, TR-34320, Turkey
(*) Corresponding Author
Received: 24 Aug 2012 | Revised: 27 Sep 2012 | Accepted: 28 Sep 2012 | Published: 31 Dec 2012 | Issue Date: December 2012
Abstract
Conductance measurements at five different temperatures varying from 288.15 to 328.15 K were performed for ferrous chloride (FeCl2) and ferric chloride (FeCl3) in 20-80 wt % in N,N-dimethylformamide (DMF)-water mixture. To analyze conductivity data, density and viscosity values of the DMF-water mixtures have been determined experimentally at the same temperatures. The conductivity data has been analyzed using the Kraus-Bray and Shedlovsky models. The limiting equivalent conductance values, the association constants (KA), thermodynamic parameters of association (Gibbs energy, enthalpy and entropy changes) for FeCl2 and FeCl3 were calculated and discussed depending on temperature and the composition of solvent mixture.
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DOI: 10.5155/eurjchem.3.4.399-403.675
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Citations
[1]. Volodymyr Koverga, Ákos Juhász, Dmytro Dudariev, Maxim Lebedev, Abdenacer Idrissi, Pál Jedlovszky
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DOI: 10.1021/acs.jpcb.2c02235
[2]. Ujwala N. Patil, Bhalachandra L. Tembe
Solvation structure of sodium chloride (Na+–Cl-) ion pair in acetonitrile (AN)–dimethyl formamide (DMF) mixtures
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DOI: 10.1080/08927022.2016.1159680
[3]. Ujwala N. Patil, Bhalachandra L. Tembe
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DOI: 10.1080/08927022.2020.1770752
[4]. Barbara Honti, Balázs Fábián, Abdenacer Idrissi, Pál Jedlovszky
Surface Properties of N,N-Dimethylformamide–Water Mixtures, As Seen from Computer Simulations
The Journal of Physical Chemistry B , , 2023
DOI: 10.1021/acs.jpcb.2c07572
[5]. Chandrani Guha, Bijan Das
Ion-association and solvation behavior of ammonium and potassium thiocyanates in 2-methoxyethanol+water mixed solvent media at different temperatures
Journal of Molecular Liquids 193, 132, 2014
DOI: 10.1016/j.molliq.2013.12.025
[6]. Barbara Honti, Abdenacer Idrissi, Pál Jedlovszky
Calculation of the Free Energy of Mixing as a Tool for Assessing and Improving Potential Models: The Case of the N,N-Dimethylformamide–Water System
The Journal of Physical Chemistry B 125(18), 4819, 2021
DOI: 10.1021/acs.jpcb.1c01749
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PMid:19817400
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DOI Link: https://doi.org/10.5155/eurjchem.3.4.399-403.675
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European Journal of Chemistry 2012, 3(4), 399-403 | doi: https://doi.org/10.5155/eurjchem.3.4.399-403.675 | Get rights and content
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