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 .
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Barton et al. (2008) studied this question.
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