Dielectric relaxation and hydrogen bond interaction study of diol-water mixtures |
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Authors: | S D Chavan B D Watode P G Hudge D B Suryawanshi C G Akode A C Kumbharkhane and S C Mehrotra |
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Institution: | (1) Department of Chemistry, King Khalid Military Academy, PO Box 22140, Riyadh, 11490, Saudi Arabia |
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Abstract: | Complex dielectric permittivity measurements in the frequency range 10MHz-20GHz have been carried out in diol-water mixtures
over the entire concentration range using a time domain reflectometry (TDR) method at 25°C. A hydrogen bonded theory is applied
to compute the dielectric constant for the mixtures. It adequately reproduces the experimental values of static dielectric
constants for the diol-water mixtures. The dielectric parameters confirm that the intermolecular homogeneous and heterogeneous
hydrogen bonding vary significantly with the increase in concentration of the constituents of the diol-water mixtures. |
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