Densities of 298.15 K and the vapor−liquid equilibria for 1-butanol
+ butyl methanoate, + butyl ethanoate,
+ butyl propanoate, and + butyl butanoate have been measured at
101.32 kPa in a small capacity
ebulliometer. All results were found to be thermodynamically
consistent with a point-to-point test. The
mixtures containing butyl methanoate and butyl ethanoate show
azeotropes at T = 379.14 K, x =
0.871
and T = 389.64 K, x = 0.222, respectively.
Different group-contribution methods were applied to
these
mixtures.
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