Vapor Pressure: Liquid-Gas Phase Boundary Pressure

• DEFAULT 1: Wagner 25 (Output details)

  ln(p/p^o) - ln(p_c/p^o) = T_c/T (A₁ × t + A₂ × t^1.5 + A₃ × t^2.5 + A₄ × t⁵); where t = 1 - T/T_c and p^o= 1 kPa

• DEFAULT 2: PV Expansion: (Output details)

  ln(p/p^o) = a₁ + a₂/T + a₃ ×ln(T) + a₄ ×T + a₅ ×T² + a₆/T² + a₇ ×T⁶+ a₈/T⁴; where p^o = 1 kPa

• Alternative 1: Antoine (Output details)

  ln(p/p^o) = A + B/(T + C); where p^o = 1 kPa

• Alternative 2: Yaws.VaporPressure (Output details)

  lg(p/p^o) = a + b/T + c×lg(T) + d×T + e×T² ; where p^o = 1 kPa and lg = log₁₀

• Alternative 3: DIPPR 115 (Output details)

  ln(p/p^o) = a + b/T + c×ln(T) + d×T² + e/T² ; where p^o = 1 kPa

• Alternative 4: DIPPR 101 (Output details)

  ln(p/p^o) = a + b/T + c×ln(T) + d×T^e ; where p^o = 1 kPa

• Alternative 5: Wagner 36 (Output details)

  ln(p/p^o) - ln(p_c/p^o) = T_c/T (A₁ × t + A₂ × t^1.5 + A₃ × t³ + A₄ × t⁶); where t = 1 - T/T_c and p^o = 1 kPa