Dielectric Relaxation Studies of 2-Butoxyethanol with Aniline and Substituted Anilines Using Time Domain Reflectometry

Table 3

Values of excess Helmholtz free energy of mixing for anilines + 2-butoxyethanol binary mixtures at 298.15 K.

𝜙2	Δ𝐹^𝐸0𝑟; J/mol	Δ𝐹^𝐸𝑟𝑟; J/mol	Δ𝐹^𝐸12; J/mol	Δ𝐹^𝐸; J/mol
Aniline + 2-butoxyethanol
0	0.000	0.000	0.000	0.000
0.25	12.667	1.195	−24.375	−10.513
0.5	−12.462	3.531	−9.455	−18.385
0.75	−35.202	4.514	−0.070	−30.758
1	0.000	0.000	0.000	0.000
o-Chloroaniline + 2-butoxyethanol
0	0.000	0.000	0.000	0.000
0.25	5.315	2.646	−8.528	−0.567
0.50	−17.290	7.956	−3.584	−12.918
0.75	−17.337	6.199	−0.525	−11.663
1	0.000	0.000	0.000	0.000
m-Chloroaniline + 2-butoxyethanol
0	0.000	0.000	0.000	0.000
0.25	8.096	−7.248	5.254	6.102
0.5	44.607	−20.755	−2.314	21.538
0.75	56.248	−22.579	0.869	34.538
1	0.000	0.000	0.000	0.000
o-Anisidine + 2-butoxyethanol
0	0.000	0.000	0.000	0.000
0.25	−7.335	10.956	−43.957	−40.336
0.5	−54.914	36.394	−26.484	−45.004
0.75	−82.072	43.962	0.696	−37.414
1	0.000	0.000	0.000	0.000
m-Anisidine + 2-butoxyethanol
0	0.000	0.000	0.000	0.000
0.25	3.515	−0.395	−2.680	0.440
0.5	−0.741	−1.016	−0.980	−2.737
0.75	−3.759	−0.971	0.646	−4.085
1	0.000	0.000	0.000	0.000