Table 3. Isobaric VLE Data of the Mixture Toluene (1) + Butyl Butanoate (2) under 101.3 kPa^a.

T/K	x1	y1	γ1	γ2
438.29	0.0000	0.0000
436.65	0.0091	0.0446	1.3413	1.0014
432.64	0.0439	0.1706	1.1589	1.0021
430.75	0.0601	0.2238	1.1566	1.0039
427.21	0.0948	0.3208	1.1362	1.0050
423.94	0.1295	0.4037	1.1262	1.0053
419.47	0.1814	0.5056	1.1152	1.0071
415.44	0.2332	0.5878	1.1083	1.0087
409.54	0.3199	0.6920	1.0964	1.0152
406.37	0.3747	0.7432	1.0871	1.0156
403.50	0.4289	0.7857	1.0789	1.0159
401.59	0.4725	0.8138	1.0636	1.0183
398.11	0.5505	0.8582	1.0535	1.0180
394.08	0.6488	0.9029	1.0463	1.0206
389.61	0.7814	0.9466	1.0281	1.0501
386.85	0.8736	0.9705	1.0164	1.1140
383.55	1.0000	1.0000

^aThe standard uncertainties of u are u(P) = 0.35 kPa, u(T) = 0.35 K, and u(x) = u(y) = 0.0062.