Figure 6. Comparison with other formulations.

Relative vapor pressure difference $\left[\frac{\text{other}-\text{eq}(17)}{\text{eq}(17)}\times {10}^6\right]$ in ppm between other formulations and eq (17).

API Ameriean Petroleum Institute Research Project 44.

BA Bridgeman and Aldrieh

G Gerry

GBa Gibson and Bruges, eq (a)

GBb Gibson and Bruges, eq (b)

GG Goff and Gratch

IFC International Formulation Committee

Dashed lines are difference curves for a temperature deviation of ± 0.001 deg.