Isochoric heat capacity and coexistence curve of methyl alcohol in the neighborhood of the critical point

A high-temperature adiabatic calorimeter is used to experimentally measure the isochoric heat capacity C υ of methyl alcohol in the temperature range from 474.39 to 531.63 K along 22 isochores which cover the density range from 136.1 to 750.1 kg/m3. The data on C υ are used to determine the curve of liquid-vapor phase equilibrium for methyl alcohol. The thus obtained data are described by scaling equations. Comparison is made with results of other researchers.