The time-domain reflectometry technique was exercised to assess the complex permittivities of 1-chloropropane and ethanol along with their binary mixture in the frequency range of 10MHz–50 GHz and in the temperature ...The time-domain reflectometry technique was exercised to assess the complex permittivities of 1-chloropropane and ethanol along with their binary mixture in the frequency range of 10MHz–50 GHz and in the temperature range of 10–25℃.Dielectric parameters like static dielectric permittivity(ε_(0))and relaxation time(τ)have been acquired by the least-square-fit method.The obtained assessments of static permittivity and relaxation time were used to compute various dielectric parameters like excess dielectric constant,excess relaxation time,Kirkwood correlation factor and thermodynamic parameters.The experimental outcome illustrates the nonlinear variations in dielectric permittivity,relaxation time and authenticates the structural formation due to intermolecular interaction between 1-chloropropane and ethanol.Molecular rotary motion and dipole reorientation movements of these complex systems are presented in agreement with the molar entropy and enthalpy.展开更多
基金the Department of Science and Technology(DST),New Delhi,is gratefully acknowledged(Project No.DST PROJECT-SB/S2/LOP-032/2013).
文摘The time-domain reflectometry technique was exercised to assess the complex permittivities of 1-chloropropane and ethanol along with their binary mixture in the frequency range of 10MHz–50 GHz and in the temperature range of 10–25℃.Dielectric parameters like static dielectric permittivity(ε_(0))and relaxation time(τ)have been acquired by the least-square-fit method.The obtained assessments of static permittivity and relaxation time were used to compute various dielectric parameters like excess dielectric constant,excess relaxation time,Kirkwood correlation factor and thermodynamic parameters.The experimental outcome illustrates the nonlinear variations in dielectric permittivity,relaxation time and authenticates the structural formation due to intermolecular interaction between 1-chloropropane and ethanol.Molecular rotary motion and dipole reorientation movements of these complex systems are presented in agreement with the molar entropy and enthalpy.
