Abstract

In the present work, we provide a dielectric study on dimethylsulfone (DMSO2) solutions in water and dimethylsulfoxide (DMSO) in the frequency range from 100MHz to 50GHz and for temperatures from 298.15 to 318.15K. The dielectric data are parametrized utilizing a Cole–Davidson spectral function, which presumes an unsymmetrical relaxation time distribution. The conductivity contribution to the total relaxation must be taken into account only in an aqueous solution of DMSO2. The concentration dependent static dielectric constant (εS), relaxation time (τ) and relaxation strength (Δε) of these solutions have been determined.

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