The critical p( T) curves of 10 binary mixtures of (a gas + methanol) have been measured with the noble gases: helium, neon, argon, krypton, and xenon, and the gases hydrogen, nitrogen, methane, carbon monoxide, and carbon dioxide. (Carbon dioxide + methanol) is the only one of these that possesses a closed critical curve. The critical curves of the other 9 are interrupted. (Helium + methanol) and (neon + methanol) form gas-gas equilibria of the first kind. In (xenon + methanol) the second branch of the critical curve was also measured; this branch begins at the critical point of xenon and meets a liquid-liquid-gas line in an upper critical end point.

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