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A differential ebulliometric apparatus of the Swietoslawski type requiring ca. 10 cm 3 of sample is described. The application of this apparatus to the determination of enthalpies of vaporization was tested with cyclohexane and ethanol. The values obtained at 298.15 K were 33.1 ± 0.5 kJ mol -1 and 42.3 ± 0.5 kJ mol -1 , for cyclohexane and ethanol, respectively,...
The accuracy and precision of a Setaram DSC 121 for the measurement of heat capacities of solids in the continuous mode was tested using sapphire and benzoic acid. The influence of the heating rate, mass of sample, and position of the crucible in the measuring tube on the obtained results is discussed. In the temperature range studied (320-440 K for sapphire and 320-370 K for benzoic acid) the accuracy...
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