Dieterici equation of state

The Dieterici equation of state, proposed in 1899 (Ref. 1) is given by

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where

$a={\frac {4R^{2}T_{c}^{2}}{P_{c}e^{2}}}$

and

$b={\frac {RT_{c}}{P_{c}e^{2}}}$

where $p$ is the pressure, $T$ is the temperature and $R$ is the molar gas constant. Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle T_c} is the critical temperature and Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle P_c} is the pressure at the critical point.

References

1. C. Dieterici, Ann. Phys. Chem. Wiedemanns Ann. 69, 685 (1899)
2. K. K. Shah and G. Thodos "A Comparison of Equations of State", Industrial & Engineering Chemistry 57 pp. 30 - 37 (1965)
3. Richard J. Sadus "Equations of state for fluids: The Dieterici approach revisited", Journal of Chemical Physics 115 pp. 1460-1462 (2001)