An empirical correlation for the calculation of vapour pressures of pure compounds |
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| Affiliation: | 1. Department of Surgery, Vanderbilt University Medical Center, Nashville, Tennessee;2. University of Tennessee College of Medicine, Memphis, Tennessee;3. Department of Surgery, University of Oklahoma, Oklahoma City, Oklahoma;4. University of California Los Angeles-Olive View Psychiatry, Los Angeles, California;5. Department of Orthopedic Surgery, Maimonides Medical Center, Brooklyn, New York;6. Department of Surgery, University of Tennessee Health Science Center, Le Bonheur Children''s Hospital, Memphis, Tennessee |
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| Abstract: | A four-parameter equation for vapour pressure is derived by integrating the Clapeyron equation with the aid of an empirical expression for the ΔH/Δ a wide range of reduced temperatures for 21 liquids which are representative of different classes of compounds: polar compounds, non-polar compounds, hThree methods for the application of the new equation are discussed. The best of these is more accurate than the Thek-Stiel equation although it does nAn equation for calculating vaporization enthalpies is also derived. |
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