Dielectric Relaxation Studies of Ethyl Formate with Primary Alcohols using Time Domain Reflectometry

Author:

Elangovan S.1,Mullainathan S.2

Affiliation:

1. Department of Physics, Easwari Engineering College, Ramapuram, Chennai - 600 089 (India).

2. Department of Physics, A.V.C College of Engineering, Mayiladuthurai - 609 305 (India).

Abstract

Dielectric relaxation studies of ethylformate with 1-propanol,1-butanol and 1-pentanol binary mixtures have been carried out at micro frequency range 9.36 GHZ at temperature of 303K.Different dielectric parameters like dielectric constant(ε’ ),dielectric loss (ε’’) ,Static dielectric constant (ε0) and dielectric constant at optical frequency (ε∞) have been determined. The Relaxation time (ε) has been obtained by Higasi and Cole-Cole method. The dielectric constant (τ0) and relaxation time (τ) decreased with increasing the concentration of ethylformate in alcohol system. The relaxation time (τ) increased with increase in chain length of the alcohols. The result shows that the strength of this molecular interaction depends upon the carbon chain length of the alcohols. Hence the proton donating ability of alcohols is in the order of 1-propanol<1-butanol<1-pentanol

Publisher

Oriental Scientific Publishing Company

Subject

Pharmacology (medical),Complementary and alternative medicine,Pharmaceutical Science

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