Another Form of The Fenske Equation
A derivation of another form of the Fenske equation for use in gas chromatography is available on the U.S. Naval Academy's web site. Using Raoult's law and Dalton's Law for a series of condensation and evaporation cycles (i.e., equilibrium stages), the following form of the Fenske equation is obtained:
| where: | |
| = number of equilibrium stages | |
| = mole fraction of component n in the vapor phase | |
| = mole fraction of component n in the liquid phase | |
| = vapor pressure of pure component n |
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