Abstract
Apparent molar volumes \({(\varphi_V)}\) and viscosity B coefficients for L-alanine in (0.005, 0.010, 0.015, and 0.020) mol · dm−3 aqueous silver sulphate (Ag2SO4) solutions were determined from the solution density and viscosity measurements at (298.15, 308.15, and 318.15) K as a function of amino acid concentration. The standard partial molar volumes \({(\varphi_V^0)}\) and experimental slopes \({(S_V^\ast )}\) obtained from the Masson equation were interpreted in terms of solute–solvent and solute–solute interactions, respectively. To analyze solution viscosities in terms of viscosity B coefficients, the Jones–Dole equation was applied. The structure-making or -breaking ability of the amino acid has also been discussed in terms of the sign of \({(\delta^{2}\varphi_V^0/\delta T^{2})_{P}}\) . The activation parameters of viscous flow for the ternary solutions were also derived and explained in terms of transition state theory.
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Sinha, B., Sarkar, A., Roy, P.K. et al. Physicochemical Properties of L-Alanine in Aqueous Silver Sulphate Solutions at (298.15, 308.15, and 318.15) K. Int J Thermophys 32, 2062–2078 (2011). https://doi.org/10.1007/s10765-011-1060-5
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DOI: https://doi.org/10.1007/s10765-011-1060-5