Handbook: Thermal analysis in practice: collected applications
For quantitative results, the curves obtained from the measurement instrument have to be properly evaluated. Often, several different procedures are available for calculating numerical results from the curves…
These might involve choosing baselines, drawing tangents, etc. and can lead to different measurement results being obtained. For example, the glass transition temperature can be determined from DSC curves according to ASTM and DIN methods, and according to other procedures (Richardson, bisector of tangents). To meaningfully compare measurement results, it is important to evaluate measurement curves in exactly the same way each time and to specify the procedure used to obtain the results (e.g. baseline type, tangent type).
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