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Title: Orientational and dielectric behaviour of N, N-dimethylformamide in different non-polar solvents
Authors: Shah, D P
Rana, V A
Trivedi, C M
Keywords: Dielectric constant;Dielectric loss;Kirkwood correlation factor
Issue Date: Sep-2018
Publisher: NISCAIR-CSIR, India
Abstract: Dielectric behaviour of concentrated solutions of different mole fractions of N, N-dimethylformamide in various non-polar solvents has been studied using precision LCR meter with four terminal liquid dielectric test fixture over a frequency range 20 Hz to 2 MHz at 303.15 K temperature. The dielectric parameters namely dielectric constant (ε′), dielectric loss (ε″) and static dielectric constant (ε0) have been determined by capacitive measurement method. The limiting dielectric constant (ε) has been determined by Abbe’s refractometer for the same solutions at 303.15 K temperature. Kirkwood correlation factor geff has also been calculated using determined values of ε0 and ε∞,to gain information about the orientational behaviour of N, N-dimethylformamide in different non-polar solvent environments.
Page(s): 677-683
ISSN: 0975-0959 (Online); 0301-1208 (Print)
Appears in Collections:IJPAP Vol.56(09) [September 2018]

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