High Pressure Volumetric Properties of the Binary Mixtures Di-isopropyl Ether + 2,2,4-Trimethylpentane

Abstract

New experimental density data for binary mixtures of di-isopropyl ether + 2,2,4-trimethylpentane over the full composition range are reported between 293.15 K and 393.15 K, and for pressures from 0.1 MPa up to 140 MPa. To perform these measurements, a vibrating tube densitometer was used and calibrated with an uncertainty of 3.5 × 10 −4 g•cm −3 . The experimental density data were fitted with a Tait-like equation. From experimental data, excess volumes have been calculated as well as the isobaric thermal expansivity and the isothermal compressibility have been derived from the Tait-like equation.

Liquid Density of n-Pentene, n-Hexene, and n-Heptene at Temperatures from 283.15 to 363.15 K and Pressures up to 100 MPa

“…In order to compare the new measurements of this work with literature data, we correlated the density values of Tables – for n -pentene, n -hexene, and n -heptene over entire temperature and pressure ranges. The following Tait-like equation was used, which has been widely used in several previous works − where ρ 0 ( T ) represents the density of fluid at reference pressure p 0 = 0.1 MPa, which is the function of temperature only. B ( T ) and C are adjusted parameters.…”