• P J Singh

      Articles written in Pramana – Journal of Physics

    • Dielectric behaviour of ketone-amine binary mixtures at microwave frequencies

      P J Singh K S Sharma

      More Details Abstract Fulltext PDF

      Values of dielectric constant (ε′) and loss factor (ε″) have been experimentally determined for binary liquid mixtures of ethyl methyl ketone+ethylenediamine and methyl isobutyl ketone+ethylenediamine at 9.44 GHz microwave frequencies at 30°C. The values ofε′ andε″ have been used to evaluate the molar polarization, apparent polarization and the excess permittivities. Excess refractive index, viscosity and activation energy of viscous flow have also been estimated. These parameters have been used to explain the formation of 1:1 complexes for both the systems.

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