Abstract
The densities of compressed liquid 1,2-alkanediols (C2, C3 and C4) were measured with a vibration tube densimeter over the temperature range from 278.15K to 358.15K and pressures up to 60MPa, with an uncertainty of ±0.0012g·cm−3. Densities were correlated with pressure and temperature by the TRIDEN 10-parameter equation. Values of the isothermal compressibility, isobaric thermal expansivity and internal pressure were calculated from the experimental results. Reported data are compared with predictions obtained using the PC-SAFT equation of state. The influence of the carbon-chain lengths over the obtained thermophysical properties was studied.
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