Solid Vapor Pressure and Enthalpy of Sublimation for Perfluorooctanoic Acid

Solid Vapor Pressure and Enthalpy of Sublimation for Perfluorooctanoic Acid

A modified gas saturation method was used to determine the solid vapor pressure of perfluorooctanoic acid (PFOA) at ambient temperatures. Measurements were made over the temperature range from (25 to 45) °C. Pressures ranged from (5.2 to 40.7) Pa. The enthalpy of sublimation was calculated as 88.9 k...

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Veröffentlicht in:Journal of chemical and engineering data 2008-04, Vol.53 (4), p.939-941
Hauptverfasser: Barton, Catherine A, Botelho, Miguel A, Kaiser, Mary A
Format: Artikel
Sprache:eng
Schlagworte:
Chemical thermodynamics
Chemistry
Elements, mineral and organic compounds
Exact sciences and technology
General and physical chemistry
Thermodynamic properties
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Zusammenfassung:A modified gas saturation method was used to determine the solid vapor pressure of perfluorooctanoic acid (PFOA) at ambient temperatures. Measurements were made over the temperature range from (25 to 45) °C. Pressures ranged from (5.2 to 40.7) Pa. The enthalpy of sublimation was calculated as 88.9 kJ·mol−1.
ISSN:0021-9568
1520-5134
DOI:10.1021/je700593d