• A Alp

      Articles written in Journal of Chemical Sciences

    • Density and viscosity of magnesium sulphate in formamide + ethylene glycol mixed solvents

      A Alp A K Nain N Kumar M Ibrahim

      More Details Abstract Fulltext PDF

      Densities (ρ) and viscosities (η) of different strengths of magnesium sulphate (MgSO4) in varying proportions of formamide (FA) + ethylene glycol as mixed solvents were measured at room temperature. The experimental values of ρ and η were used to calculate the values of the apparent molar volume, (φ1,), partial molar volume, (φ1,) at infinite dilution,A- andB-coefficients of the Jones-Dole equation and free energies of activation of viscous flow, (Δμ10*) and (Δμ20*), per mole of solvent and solute respectively. The behaviour of these parameters suggests strong ion-solvent interactions in these systems and also that MgSO4 acts as structure-maker in FA + ethylene glycol mixed solvents.

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