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

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Abstract

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,ℴ) at infinite dilution,A- andB-coefficients of the Jones-Dole equation and free energies of activation of viscous flow, (Δμ 0*1 ) and (Δμ 0*2 ), 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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Authors and Affiliations

  1. Department of Chemistry, Jamia Millia Islamia (Central University), 110 025, New Delhi, India

    A. Alp, A. K. Nain & N. Kumar

  2. University Polytechnic, Jamia Millia Islamia (Central University), 110 025, New Delhi, India

    M. Ibrahim

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  1. A. Alp
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  2. A. K. Nain
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  3. N. Kumar
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  4. M. Ibrahim
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Correspondence to A. Alp.

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Alp, A., Nain, A.K., Kumar, N. et al. Density and viscosity of magnesium sulphate in formamide + ethylene glycol mixed solvents. J Chem Sci 114, 495–500 (2002). https://doi.org/10.1007/BF02704193

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  • DOI: https://doi.org/10.1007/BF02704193

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