Dielectric study of aqueous solution of acetonitrile |
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| Authors: | S N Helambe M P Lokhande A C Kumbharkhane S C Mehrotra S Doraiswamy |
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| Affiliation: | (1) Department of Physics, Dr. Babasaheb Ambedkar Marathwada University, 431 004 Aurangabad, India;(2) Chemical Physics Group, Tata Institute of Fundamental Research, 400 005 Bombay, India |
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| 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. |
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| Keywords: | Dielectrics microwaves aqueous solutions acetonitrile relaxation time Kirkwood factor |
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