Add time:08/19/2019         Source:sciencedirect.com

Gas—liquid critical pressure and critical temperature were determined experimentally throughout the composition range for the seven binary systems comprising the n-alkanes from n-pentane through n-undecane with n-Butanenitrile (cas 109-74-0) as a common component. Some of these mixtures are known to form a positive azeotrope at temperatures below the normal boiling temperature, and the presence of a minimum temperature in the p—T and T—x critical loci of some of the mixtures indicates that the homogeneous azeotrope is also present in the critical region. Incidentally, experimental vapour pressures are also reported for n-butanenitrile.

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