Add time:08/05/2019         Source:sciencedirect.com

The volumetric, acoustic and viscometric properties are used for investigating the interactions of l-serine and l-arginine in aqueous solutions of a vitamin, namely, thiamine hydrochloride, over a temperature range of (293.15–313.15) K and at atmospheric pressure. The limiting apparent molar volume, V0ϕ, and empirical parameter, Sv, is evaluated from apparent molar volume, Vϕ. Similarly, limiting apparent molar isentropic compression, K0ϕ,s, and slope, Sk, is evaluated from apparent molar isentropic compression, Kϕ,s. The corresponding transfer properties (ΔtrV0ϕ and ΔtrK0ϕ,s) from water to aqueous vitamin solutions are also evaluated. The viscosity data has also been used to analyze relative viscosity, ƞr, viscosity B-coefficients and temperature derivative of B-coefficients, dB/dT. The various calculated parameters assist to procure valuable information regarding the presence of different kinds of intermolecular interactions in the ternary (l-serine/l-arginine + water + thiamine-HCl) solutions.

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