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. 1973 Jan-Feb;77A(1):133–147. doi: 10.6028/jres.077A.007

Table 2.

Coefficients to eq (26)a

Coefficients αij
ij 1 2 3
0 −50.9769 × 10−6 8.2627 × 10−9 −9.109 × 10−13
1 3.71999 × 10−7 −1.3794 × 10−10 2.626 × 10−14
2 −7.01760 × 10−9 3.4032 × 10−12 −8.913 × 10−16
3 6.00227 × 10−11 −3.6432 × 10−14 11.467 × 10−18
4 −3.09041 × 10−13 2.0836 × 10−16 −7.102 × 10−20
5 5.93416 × 10−16 −4.1744 × 10−19 14.841 × 10−23
n Coefficients an
0 0.9998396
1 1.8224944 × 10−2
2 −7.922210 × 10−6
3 −5.544846 × 10−8
4 1.497562 × 10−10
5 −3.932952 × 10−13
Coefficient b
1.8159725 × 10−2
a

Units: t, °C; P, bar; PA, 1.01325 bar; vw1, cm3/mol.