Vapor pressure estimation for organic compounds

Samuel H. Yalkowsky, Dinesh S. Mishra

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

An accurate and thermodynamically sound equation for the estimation of the vapor pressure of organic solids and liquids is developed. This equation utilizes improved estimation schemes for the entropies of vaporization and melting over Trouton's rule and Walden's rule. It also utilizes improved estimations of the heat capacity changes associated with vaporization and melting. The equation, which has no adjustable parameters, is shown to estimate successfully the vapor pressures of a wide variety of organic compounds.

Original languageEnglish (US)
Pages (from-to)243-250
Number of pages8
JournalScience of the Total Environment, The
Volume109-110
Issue numberC
DOIs
StatePublished - Dec 1991

ASJC Scopus subject areas

  • Environmental Engineering
  • Environmental Chemistry
  • Waste Management and Disposal
  • Pollution

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