High-Pressure Liquid Viscosity of n-Hexadecane/ethyl Octanoate Mixtures

The liquid viscosity of n-hexadecane/ethyl octanoate mixtures was measured at the mole fraction of 0.25, 0.5, and 0.75. The measurements were performed at the temperatures from 298 to 361 K and pressures up to 30 MPa. A self-established viscosity system based on the falling cylinder method was used for the present measurements. After careful evaluation, for the present measurements, the combined expanded relative uncertainty of the viscosity was less than 0.04 with a 0.95 confidence. The viscosity values at each mole fraction were correlated by Andrade–Tait equation, and this equation can successfully describe the experimental data within their estimated uncertainties.