Enthalpic interaction coefficients of N, N-dimethylformamide in aqueous ethylene glycol and glycerol solutions at 298.15 K

The dilution enthalpies of N, N-dimethylformamide (DMF) in aqueous ethylene glycol and glycerol solutions have been determined using a CSC-4400 isothermal calorimeter at 298.15 K. The experimental data have been analyzed in terms of McMillan–Mayer formalism to obtain the enthalpic virial coefficient...

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Veröffentlicht in:	Thermochimica acta 2011-06, Vol.520 (1), p.61-66
Hauptverfasser:	Wang, Xu, Shao, Shuang, Guo, Yuhua, Lin, Ruisen
Format:	Artikel
Sprache:	eng
Schlagworte:	Chemical thermodynamics Chemistry Dilution enthalpy Enthalpic pair interaction coefficients Enthalpy Ethylene Glycol Exact sciences and technology Formalism General and physical chemistry Glycerol Glycerols Mixtures N, N-Dimethylformamide Thermodynamic properties Virial coefficients
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Zusammenfassung:	The dilution enthalpies of N, N-dimethylformamide (DMF) in aqueous ethylene glycol and glycerol solutions have been determined using a CSC-4400 isothermal calorimeter at 298.15 K. The experimental data have been analyzed in terms of McMillan–Mayer formalism to obtain the enthalpic virial coefficients for heterotactic interaction. The results have been interpreted from the point of view of solute–solute interactions and solute–solvent interactions.
ISSN:	0040-6031 1872-762X
DOI:	10.1016/j.tca.2011.03.016