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Chromatographia

, Volume 61, Issue 3–4, pp 167–171 | Cite as

Determination of Vapor Pressures Using Extrapolation of Adjusted Retention Times

Article

Abstract

Vapor pressure is one of the fundamental properties which govern the distribution of organic compounds in the environment. This property is estimated for five series of homologous substituted alkanes of the type H—(CH2)n—Y, where Y denotes Cl, Br, CHO, COOCH3, OCOCH3 and n varies from 5 to 14 using extrapolation of adjusted retention times to 25 °C. The results are compared with those obtained by using indirect methods for 40 compounds and a significant improvement is obtained. Indeed, the absolute average error percentage for the same series does not exceed 2.6%

Keywords

Gas chromatography Vapor pressure determination Ambient temperature (25 °C) Substituted alkanes 

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Copyright information

© Friedr. Vieweg&Sohn/GWV Fachverlage GmbH 2005

Authors and Affiliations

  1. 1.Laboratoire d’analyses industrielles et génie des matériauxUniversité de GuelmaGuelmaAlgeria

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