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Title: Dielectric properties of mixtures of some rigid polar molecules with some primary alcohols
Authors: Vyas, A D
Rana, V A
Gadani, D H
Keywords: Bruggeman factor;Kirkwood correlation factor;Precision LCR meter;Static dielectric constant
Issue Date: Apr-2011
Publisher: NISCAIR-CSIR, India
Abstract: Static dielectric constant () and high frequency limit dielectric constant () of binary mixtures of rigid polar molecules bromobenzene and nitrobenzene each with three alcohols methanol, 1-propanol and 1-butanol over the entire concentration range have been determined at 28°C. Static dielectric constant values were found to deviate from ideal behaviour with concentration variation of the mixture constituents in all the mixture systems. The character changes of the static dielectric constant were determined in terms of excess values of Î0 as a function of composition of mixtures. The information regarding orientation of electric dipoles in polar liquids were obtained from the Kirkwood correlation factor. The determined values of the Bruggeman factor confirmed the molecular interaction between the constituents of the binary mixtures.
Page(s): 277-283
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Appears in Collections:IJPAP Vol.49(04) [April 2011]

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