Possible precursors and products of deep hydrodesulfurization of gasoline and distillate fuels IV. Heat capacities,enthalpy increments,vapor pressures,and derived thermodynamic functions for dicyclohexylsulfide between the temperatures (5 and 520) K |
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| Affiliation: | 1. Chemical Engineering Department, Physical Properties Research Facility, 327 Dougherty Engineering Building, 1512 Middle Drive, University of Tennessee, Knoxville, TN 37996-2200, USA;2. Nuclear Science and Technology Division, Oak Ridge National Laboratory (ORNL), Oak Ridge, TN 37831-6273, USA;3. Physical and Chemical Properties Division, Chemical Science and Technology Laboratory, Thermodynamics Research Center (TRC), National Institute of Standards and Technology (NIST), Boulder, CO 80305-3328, USA;4. Bartlesville Thermodynamics Group, BDM Petroleum Technologies, Bartlesville, OK 74005-2543, USA;1. Department of Physical Chemistry, Kazan Federal University, Kremlevskaya str. 18, 420008, Kazan, Russia;2. Department of Physical Chemistry, University of Rostock, Dr-Lorenz-Weg 2, 18059, Rostock, Germany |
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| Abstract: | Measurements leading to the calculation of the standard thermodynamic properties for gaseous dicyclohexylsulfide (Chemical Abstracts registry number [7133-46-2]) are reported. Experimental methods include adiabatic heat-capacity calorimetry, and inclined-piston gauge manometry combined with earlier reported measurements of combustion calorimetry, vibrating-tube densitometry, comparative ebulliometry, and differential-scanning calorimetry (d.s.c.). Critical properties are estimated for dicyclohexylsulfide. Standard molar entropies, standard molar enthalpies, and standard molar Gibbs free energies of formation are derived at selected temperatures between (298.15 and 520) K. |
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