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      https://www.ias.ac.in/article/fulltext/pram/044/05/0405-0410

    • Keywords

       

      Dielectrics; microwaves; aqueous solutions; acetonitrile; relaxation time; Kirkwood factor

    • Abstract

       

      Time domain reflectometry method has been used in the frequency range of 10 MHz to 10 GHz to determine dielectric properties of aqueous solutions of acetonitrile in temperature range of 0°C to 40°C. The calibration method based on the least squares fit method has been used. The excess permittivity, activation energy, Kirkwood correlation factor and activation energy of acetonitrile-water system have also been determined. The dielectric data show that acetonitrile molecules interact such that the dipoles have a tendency to remain antiparallel.

    • Author Affiliations

       

      S N Helambe1 M P Lokhande1 A C Kumbharkhane1 S C Mehrotra1 S Doraiswamy1 2

      1. Department of Physics, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad - 431 004, India
      2. Chemical Physics Group, Tata Institute of Fundamental Research, Bombay - 400 005, India

    • Dates

       
      Published
      May 1995
      Manuscript received
      2 March 1995

  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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