Estimation of Vapor Pressure of Some Organic Compounds

Dinesh S. Mishra; Samuel H. Yalkowsky

doi:10.1021/ie00055a029

Estimation of Vapor Pressure of Some Organic Compounds

Dinesh S. Mishra, Samuel H. Yalkowsky

Pharmacology and Toxicology

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24 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 language	English (US)
Pages (from-to)	1609-1612
Number of pages	4
Journal	Industrial and Engineering Chemistry Research
Volume	30
Issue number	7
DOIs	https://doi.org/10.1021/ie00055a029
State	Published - Jul 1 1991

ASJC Scopus subject areas

General Chemistry
General Chemical Engineering
Industrial and Manufacturing Engineering

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10.1021/ie00055a029

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N2 - 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.

AB - 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.

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Estimation of Vapor Pressure of Some Organic Compounds

Abstract

ASJC Scopus subject areas

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