Density, Viscosity and Dielectric Constant of HCFC-225ca and HCFC-225cb at Temperatures from 293 to 323 K and Pressures up to 80 MPa

Add time:08/14/2019    Source:sciencedirect.com

New experimental data on the density, viscosity and dielectric constant of HCFC-225ca (CHCl2-CF2-CF3 and HCFC-225cb (CHClF-CF2-CClF2) in the liquid phase are presented at temperatures from 293 to 323 K and pressures from 0.1 to 80 MPa. The measurements were carried out by a vibrating-tube densitometer, a falling-cylinder viscometer and a high-pressure capacitance cell using an LCR-meter. The uncertainties of the measurements are estimated to be less than 0.1% for the density, 2% for the viscosity, and 1% for the dielectric constant. The experimental data are correlated with pressure or density along the isotherms by several empirical equations.

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