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. Author manuscript; available in PMC: 2023 Mar 17.
Published in final edited form as: J Chem Eng Data. 2021;66(12):10.1021/acs.jced.1c00654. doi: 10.1021/acs.jced.1c00654

Table 7.

Measured bubble point pressures for the system R-1234yf (1) + R1234ze(E) (2) at temperature T, pressure P, and liquid mole fraction xa.

x1 = 0.3241 ± 0.0001

T/K p/kPa u(p)/kPa (u(p)/p)*100 (1− p exp/ pEoS)*100

270.00 229.5 0.83 0.36 −2.73
270.00 229.5 0.83 0.36 −2.70
280.00 325.4 0.88 0.27 −2.48
280.00 325.5 0.88 0.27 −2.45
290.00 449.1 0.95 0.21 −2.34
290.00 449.2 0.95 0.21 −2.31
300.00 605.7 1.04 0.17 −2.18
300.00 605.4 1.04 0.17 −2.23
310.00 799.6 1.35 0.17 −2.11
310.00 799.1 1.35 0.17 −2.17
320.00 1038.6 1.82 0.18 −1.89
320.00 1037.1 1.82 0.18 −2.03
330.00 1325.4 1.95 0.15 −1.83
330.00 1324.7 1.95 0.15 −1.89
340.00 1669.5 2.12 0.13 −1.72
340.00 1667.8 2.12 0.13 −1.81
340.00 1668.5 2.12 0.13 −1.77
350.00 2077.0 2.32 0.11 −1.62
350.00 2076.2 2.32 0.11 −1.66
360.00 2556.7 2.57 0.10 −1.55
360.00 2557.1 2.57 0.10 −1.54

x1 = 0.6382 ± 0.0003

T/K P/kPa u(P)/kPa (u(P)/P)*100 (Pexp/PEoS − 1)*100

270.00 258.9 1.49 0.58 −1.73
270.00 258.0 1.49 0.58 −2.04
280.00 363.5 1.52 0.42 −1.78
280.00 362.9 1.52 0.42 −1.92
280.00 362.8 1.52 0.42 −1.94
290.00 497.8 1.56 0.31 −1.75
290.00 497.1 1.56 0.31 −1.89
290.00 497.0 1.56 0.31 −1.90
300.00 666.3 1.63 0.24 −1.76
300.00 665.7 1.63 0.24 −1.86
300.00 665.6 1.63 0.24 −1.87
310.00 874.6 1.85 0.21 −1.77
310.00 873.8 1.85 0.21 −1.86
310.00 873.7 1.85 0.21 −1.87
320.00 1128.8 2.22 0.20 −1.71
320.00 1127.8 2.22 0.20 −1.80
320.00 1127.7 2.22 0.20 −1.81
330.00 1435.4 2.34 0.16 −1.61
330.00 1434.0 2.34 0.16 −1.70
330.00 1434.0 2.34 0.16 −1.70
340.00 1800.0 2.50 0.14 −1.58
340.00 1798.8 2.50 0.14 −1.64
340.00 1799.1 2.50 0.14 −1.63
350.00 2229.1 2.69 0.12 −1.64
350.00 2231.3 2.69 0.12 −1.54
360.00 2734.0 2.94 0.11 −1.71
360.00 2738.9 2.94 0.11 −1.54
a

Standard uncertainties u are u(T) = 0.02 K, values of u(p) and u(x1) are given in the table.