Abstract
The densities and viscosities of N-phenylbenzohydroxamic acid (PBHA) have been determined as a function of concentration in dimethylsulfoxide (DMSO) at various temperatures, (298.15, 303.15, 308.15, 313.15, and 318.15) K. The density data have been analyzed using Masson’s equation, and partial molar volume (Vϕ0) at infinite dilution and the slope Sv* of Masson’s equation are computed. The limited partial molar expansibilities (ϕE0) have also been calculated from the temperature dependence of limiting partial molar volume (Vϕ0). The viscosity data have been analyzed using the Jones−Dole equation, and the viscosity B-coefficients are calculated. The results have been discussed in terms of solute−solvent interaction, and it was found that PBHA acts as a structure maker in the present system.
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