Abstract:The evolution of solvent and solute diffusivity during fluid−solid phase transition was studied in model wax in ndodecane solutions in a wide concentration range. Studied systems were characterized using viscosity measurements to provide supplementary information related to wax precipitation onset, while diffusion coefficients of n-dodecane and paraffin molecules were quantified using Pulsed Field Gradient (PFG) NMR. It was revealed that above the wax appearance temperature (WAT), the Hayduk−Minhas equation ad… Show more
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