We present direct measurements of the isothermal compressibility ( T) and thermal expansion coefficient (Rp) of liquid methanol using an expansion technique. The measurements of T were carried out along six isotherms from (208.17 to 298.16) K at pressures up to 101 MPa. For Rp, we have measured four isobars from (0.59 to 80.03) MPa from 195 K up to 300 K. Our experimental results of Rp(T) for the 0.59 MPa isobar exhibit a minimum around 224 K. A clear shift of the minimum to higher temperatures is observed as the pressure increases along the different isobars. Interestingly, the minima for the isobars of Rp(F) take place within a narrow range of densities, around 26.5 moladm-3 (about 3.15 times the critical density).
Compounds
#
Formula
Name
1
CH4O
methanol
Datasets
The table above is generated from the ThermoML associated json file (link above).
POMD and RXND refer to PureOrMixture and Reaction Datasets. The compound numbers are included in properties, variables, and phases, if specificied;
the numbers refer to the table of compounds on the left.