Abstract
Thermophysical properties for varied compositions of uracil and thymine (nitrogenous bases) in H2O and in (0.1, 0.2 and 0.3) mol kg−1 binary aqueous l-histidine solvent media have been determined at temperatures ranging (293.15–313.15) K. The experimentally assessed data has been employed to enumerate numerous densimetric, acoustic and rheological parameters such as apparent molar volume (Vϕ), limiting apparent molar expansibility (E0ϕ), limiting apparent molar volume (V0ϕ), apparent molar isentropic compression (Kϕ,s), limiting apparent molar isentropic compression (K0ϕ,s), hydration number (nH), solvation number (Sn), transfer properties, viscosity B-coefficients etc. Moreover, the chaotropic behavior of each examined solute has been investigated using dB/dT (temperature derivative of Jones Dole coefficient) and Hepler’s constant (∂E0ϕ/∂T)P i.e. temperature derivative of limiting apparent molar expansibility at constant pressure. Besides, cosphere overlap model has been utilized to access various sorts of predominant interactions in the deliberated systems.
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