Vapour pressure of DSC calibration substances |
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Authors: | Hakvoort G Hol C M van Ekeren P J |
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Institution: | (1) Delft University of Technology, c/o Wielengahof 14, NL-2625 LJ Delft, The Netherlands;(2) Chemical Thermodynamics Group, Utrecht University, Padualaan 8, NL-3584 CH Utrecht, The Netherlands |
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Abstract: | For a large number of DSC calibration substances the vapour pressure at room temperature or at transition temperature (whichever is the highest) is given. It is important to know the vapour pressure of substances, because a DSC measurement on a substance with a high vapour pressure requires encapsulation of the substance in a hermetically sealed crucible to prevent evaporation. Because the calibration procedure must be performed using the same type of sample pan as will be used during the actual measurements, the presented information allows one to decide which calibration substances and/or what type of sample pan should be used for calibration.This revised version was published online in November 2005 with corrections to the Cover Date. |
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Keywords: | DSC calibration test for hermetic sealing vapour pressure of substances |
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