Journal Article10.3233/MGC-130105
Molecular interactions of triethylamine and 1-dodecanol binary liquid mixtures
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TL;DR: In this paper, the Kirkwood correlation factors and excess dielectric properties of Triethylamine (TEA) and 1-Dodecanol binary mixture were determined and discussed to give information about the molecular interactions of the systems.
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Abstract: Solute –Solvent interactions of Triethylamine (TEA) and 1-Dodecanol binary mixture have been carried out for 11 concentrations at different temperatures using LCR(Inductance (L), Capacitance (C) and Resistance (R)) meter at a frequency of 1 KHz. The Kirkwood correlation factors and excess dielectric properties were determined and discussed to give information about the molecular interactions of the systems. The static dielectric constants for the mixture have been fitted with the modified Bruggeman model. The excess permittivities are found to be positive for all concentrations and temperatures, which represent solute and solvent interact in such a way the effective dipole moment increases.
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Citations
Thermodynamics of mixtures with strongly negative deviations from Raoult's law. XV. Permittivities and refractive indices for 1-alkanol + n-hexylamine systems at (293.15–303.15) K. Application of the Kirkwood-Fröhlich model
TL;DR: In this article, the authors gratefully acknowledge the financial support received from the Consejeria de Educacion y Cultura of Junta de Castilla y Leon, under Project BU034U16.
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•Journal Article
Dielectric and thermodynamic studies on a binary mixture of anisole with butyric or caprylic acid
TL;DR: In this article, the molecular interaction of anisole with fatty acids, such as butyric acid and caprylic acid, has been studied using standard dielectric methods.
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Thermodynamics of Mixtures with Strongly Negative Deviations from Raoult’s Law. XVII. Permittivities and Refractive Indices for Alkan-1-ol + N,N-diethylethanamine Systems at (293.15–303.15) K. Application of the Kirkwood-Fröhlich Model
Fernando Hevia,Juan Antonio Gonzalez,Ana Cobos,Isaias Garcia de la Fuente,L. F. Sanz +4 more
TL;DR: Relative permittivities and refractive indices were measured for alkan-1-ol + N,N-diethylethanamine systems at (293.15-303.15) K, revealing positive excess permittivities for methanol and negative values for other mixtures, attributed to self-association and interactions between components.
References
Dielectric relaxation study of poly(ethylene glycols) using TDR technique
TL;DR: In this paper, the frequency dependence of the complex dielectric permittivity is analyzed by the Havriliak-Negami expression, and the average free energy of activation ΔFτ for PEG molecules was found to be in the range 4−5kcal−mol−1.
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Dielectric properties and hydrogen bonding interaction behaviour in binary mixtures of glycerol with amides and amines
TL;DR: In this paper, the Kirkwood correlation factor of the binary mixtures of glycerol with formamide, N,N-dimethylformamide, n,Ndimethylacetamide, ethanolamine and N, N-dimethylaminoethanol has been determined at 30°C.
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Dielectric relaxation spectra for N,N-Dimethylacetamide-water mixures using picosecond time domain reflectometry
TL;DR: Using time domain reflectometry technique dielectric study has been carried out in the thirteen different mixtures of aqueous solutions of N,N-Dimethylacetamide (DMA).
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Dielectric and thermodynamic behavior of binary mixture of anisole with morpholine and aniline at different temperatures
G. Parthipan,T. Thenappan +1 more
TL;DR: In this paper, the interaction between the molecules of anisole with morpholine and aniline was studied at static frequency and at optical frequency at different concentrations of the mixtures at different temperatures.
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Study of solute–solvent interaction through dielectrics properties of N,N-dimethylacetamide in ethanolamine
TL;DR: In this article, the least squares fit method has been used to obtain the static dielectric constant ( e o ) and relaxation time ( τ ) for N, N -Dimethylacetamide-Ethanolamine binary mixtures at 11 concentrations over the frequency range of 10MHz to 20 GHz at 15, 25, 35, 45°C using Time Domain Reflectometry (TDR) technique.
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