. 2020 Mar 31;5(14):7919–7927. doi: 10.1021/acsomega.9b04231

Table 2. Experimental Solubility for the {α-Pinene-Derived Product (1) + Water (2)} Binary System in Mole Fraction, x₁ vs Equilibrium Temperature T at Saturated Solution at p = 101.3 kPa^d and Calculated Activity Coefficients, γ₁.

x₁^b	T^c/K	γ₁^a	x₁^b	T^c/K	γ₁^a
MBTCA
0.0400	308.15	0.003	0.1037	335.75	0.018
0.0666	318.55	0.005	0.1131	340.65	0.026
0.0798	324.35	0.008	0.1361	351.35	0.053
0.0832	326.35	0.009	1.0000	422.74	1.00
0.0877	328.85	0.011
DTAA
0.0314	303.65	2.76	0.1051	319.35	1.39
0.0382	306.65	2.55	0.1373	324.35	1.30
0.0550	309.85	2.01	0.1665	328.15	1.18
0.0739	312.95	1.67	1.0000	394.28	1.00
0.0914	315.75	1.50
TER
0.0016	320.35	24.23	0.0130	339.65	5.75
0.0029	322.95	15.01	0.0160	344.25	5.40
0.0044	326.35	10.94	0.0191	349.55	5.31
0.0059	328.85	8.95	1.0000	449.28	1.00
0.0092	334.35	6.89
PD
0.0724	304.35	8.60	0.2796	316.65	2.84
0.1163	307.70	5.73	1.0000	329.26	1.00
0.1615	311.00	4.41
0.2014	312.97	3.67
0.2461	315.25	3.14

Standard uncertainties u are as follows: calculated from the UNIQUAC equation for MBTCA as well as DTAA and Wilson equation for TER as well as PD.

u(x₁^water) = ±0.005

u(T/K) = ±0.1

u(p/kPa) = ±2.

Table 2. Experimental Solubility for the {α-Pinene-Derived Product (1) + Water (2)} Binary System in Mole Fraction, x1 vs Equilibrium Temperature T at Saturated Solution at p = 101.3 kPad and Calculated Activity Coefficients, γ1.