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Title: Temperature dependent dielectric relaxation study of 2-butanol-water mixtures from 10 MHz to 30 GHz
Authors: Pathan, Abdulrahman W
Kumbharkhane, Ashok C
Keywords: Complex permittivity;Hydrogen bond;TDR;Kirkwood correlation factor;Bruggeman factor
Issue Date: Jul-2019
Publisher: NISCAIR-CSIR, India
Abstract: A study has been made to investigate the hydrogen bond interaction between binary mixtures of 2-butanol and water using time domain reflectometry technique (TDR). Various volume concentrations of 2-butanol-water have been used in the frequency range of 10 MHz to 30 GHz at 0 to 20 °C. Complex permittivity spectra for 2- butanol-water mixtures determined which shows a Debye type of behavior. Dielectric parameters, i.e., dielectric constant (εo) and relaxation time (τ) have been obtained using least square fit method. Using the fundamental properties Kirkwood correlation factor, Bruggeman factor, excess dielectric properties and thermodynamic properties have also been determined to study the interaction between regular dipole interaction of hydrogen-Bonded (H-bonded) liquids the mixtures.
Page(s): 447-452
ISSN: 0975-0959 (Online); 0301-1208 (Print)
Appears in Collections:IJPAP Vol.57(07) [July 2019]

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