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AssigneeNetzsch-Gerätebau GmbH
InventorsThomas Denner, Juergen Blumm, Otto Max Schaefer, Markus Hollering, Thilo Hilpert, Alexander Frenzl, Stefan Lauterbach, Andreas Strobel, Rolf Preuss, Michael Gebhardt, Elena Moukhina, Alexander Schindler, Mathias Gradl, Gunter Herr, Stephan Knappe, Markus Meyer, Gabriele Kaiser, Andre Nijmeh
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A method for conducting a differential thermal analysis, in which a sample disposed in a temperable sample space is tempered according to an essentially linear temperature program extending from a start temperature to an end temperature, such that, from the result of a measurement of the sample temperature conducted during tempering at a number of measurement time points, a DTA signal is calculated as the difference between a measured sample temperature and a reference temperature calculated according to a temperature curve model. According to the invention, for every measurement time point, the relevant reference temperature is calculated by the following steps: (a) establish a time interval containing the relevant measurement time point; (b) calculate a non-linear adjustment function for the measured sample temperature curve in the time interval; and (c) calculate the reference temperature as a value of the adjustment function for the measurement time point.
A method for performing a differential thermal analysis, in which a sample disposed in a temperable sample space is tempered according to a temperature program extending from a start temperature to an end temperature, such that, from a result of a measurement of a sample temperature conducted during the tempering at a number of measurement time points, a c-DTA signal is calculated as the difference between measured sample temperature and a reference temperature calculated according to a temperature curve model,
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