P (atm)

b0

b1

b2

b3

b4

b5

b6

150

−17.539

0.0769

6.901

−1.083 × 10−4

−26.425

4.928 × 10−8

38.937

225

−8.213

0.0377

6.190

−5.355 × 10−5

−20.869

2.379 × 10−8

27.880

300

−4.676

0.0235

4.687

−3.463 × 10−5

−11.280

1.541 × 10−8

10.460