Abstract
Fat models frequently use input parameters that are defined at environmental conditions. In a recently developed gas-liquid chromatography method (GC-VAP), vapor pressures, heats of vaporization, and heat capacity differences (gas-liquid) of fatty acid esters are determined over a large temperature range that includes environmental temperatures. This method also allows an accurate determination of the normal boiling point temperature of a substance. Literature values of vapor pressure, boiling point temperature, and heat of vaporization at 298.15 K for the chosen esters are all in excellent agreement with those determined with the developed method. Correlations between carbon number and heat of vaporization are high.
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Krop, H.B., Velzen, M.J.M.v., Parsons, J.R. et al. Determination of environmentally relevant physical-chemical properties of some fatty acid esters. J Amer Oil Chem Soc 74, 309–315 (1997). https://doi.org/10.1007/s11746-997-0142-9
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DOI: https://doi.org/10.1007/s11746-997-0142-9