Table 1. Values of the fitting parameters of the volumetric EOS found by fitting the measured specific volumes to Eq. (12) with Eqs (13) and (14).
| LC system (phase) | T0 (K) | A0 (cm3/g) | A1/10−4 (cm3/g/K) | A2/10−6 (cm3/g/K2) | B(T0, p0) (MPa) | b2/10−3(K−1) | γEOS | Adj.-R2 coeff. |
|---|---|---|---|---|---|---|---|---|
| 6BT (Cr E) | 250.75 | 0.9038 ± 0.0001 | 3.62 ± 0.03 | 0.58 ± 0.03 | 2983 ± 10 | 2.62 ± 0.06 | 3.97 ± 0.08 | 0.9986 |
| 8BT (Cr E) | 301.5 | 1.0027 ± 0.0003 | 8.31 ± 0.11 | 0.22 ± 0.02 | 2384 ± 22 | 3.74 ± 0.23 | 7.82 ± 0.27 | 0.9997 |
| 7CB (N) | 302.0 | 0.9983 ± 0.0005 | 9.57 ± 0.43 | 10.2 ± 2.2 | 1704 ± 60 | 18.5 ± 2.9 | 13.99 ± 0.64 | 0.9992 |
| 7PCH (N) | 303.3 | 1.0493 ± 0.0002 | 9.23 ± 0.12 | 3.21 ± 0.35 | 1755 ± 16 | 9.71 ± 0.45 | 10.50 ± 0.16 | 0.9999 |
| 8PCH (N) | 309.13 | 1.0609 ± 0.0007 | 10.5 ± 0.5 | 4.16 ± 0.03 | 1592 ± 65 | 12.2 ± 2.7 | 12.03 ± 0.74 | 0.9986 |
| 8OCB (N) | 342.0 | 1.0052 ± 0.0001 | 9.28 ± 0.07 | 2.33 ± 0.14 | 1731 ± 6 | 9.76 ± 0.28 | 11.37 ± 0.10 | 0.9996 |
The reference state is fixed at the phase transition temperature T0 at ambient pressure p0 = 0.1 MPa.