Density and Temperature Effects on Motional Dynamics of SF6 in the Supercritical Dense Fluid Region.

摘要

The NMR 19F spin-lattice relaxation times and self-diffusion constants have been measured in the dense fluid of SF6 as a function of pressure and temperature over the density range 0.4 < or = rho/rho sub c < or = 2.6 and the temperature range 0.8 < or = T/T (c) < or = 1.5. Densities have also been determined under the same experimental conditions.