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Title: Microwave absorption and relaxation studies of binary mixtures of fluoro substituted anilines with some primary alcohols in benzene solutions
Authors: Prajapati, A N
Rana, V A
Vyas, A D
Keywords: Dielectric relaxation
Binary mixture
Dipole moment
Relaxation time
Issue Date: Aug-2006
Publisher: CSIR
Series/Report no.: G01R27/26
Abstract: Complex permittivity at 9.1 GHz, static permittivity at 455 kHz and refractive index at optical frequency of methanol, ethanol, 1-propanol, 2-fluoroaniline, 4-fluoroaniline and their binary mixtures have been measured at a single temperature (30°C) in dilute solution of non-polar solvent benzene. The measured values of permittivity and dielectric loss have been used to evaluate distribution parameter (<img src='/image/spc_char/alpha.gif' border=0>) and relaxation times <img src='/image/spc_char/tow.gif' border=0> <sub>0</sub>, <img src='/image/spc_char/tow.gif' border=0> <sub>(1),</sub> <img src='/image/spc_char/tow.gif' border=0> <sub>(2) </sub>and dipole moment(<img src='/image/spc_char/micro.gif' border=0> ). The variation of relaxation time versus concentration suggests solute-solute/solute-solvent type of association through hydrogen bonding.
Description: 620-624
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Appears in Collections:IJPAP Vol.44(08) [August 2006]

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