Vapor Pressures and Vaporization Enthalpies of the n Alkanes from C21 to C30 at T 298.15 K by Correlation Gas Chromatography
Vapor Pressures and Vaporization Enthalpies of the n Alkanes from C21 to C30 at T 298.15 K by Correlation Gas Chromatography
. 2004. Missouri
Indonesia
Artikel
The temperature dependence of gas chromatographic retention times for n-heptadecane to n-triacontane is reported. These data are used to evaluate the vaporization enthalpies of these compounds at T ) 298.15 K, and a protocol is described that provides vapor pressures of these n-alkanes from T ) 298.15 to 575 K. The vapor pressure and vaporization enthalpy results obtained are compared with existing literature data where possible and found to be internally consistent. Sublimation enthalpies for n-C17 to n-C30 are calculated by combining vaporization enthalpies with fusion enthalpies and are compared when possible to direct measurements.
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