Estimation of Vapor Pressure of Some Organic Compounds

Dinesh S. Mishra, Samuel H. Yalkowsky

Research output: Contribution to journalArticle

22 Scopus citations

Abstract

An accurate and thermodynamically sound equation for the estimation of 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 successfully estimate the vapor pressures of a large number of organic compounds.

Original languageEnglish (US)
Pages (from-to)1609-1612
Number of pages4
JournalIndustrial and Engineering Chemistry Research
Volume30
Issue number7
DOIs
StatePublished - Jul 1 1991

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)
  • Industrial and Manufacturing Engineering

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