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The specific heat capacity (cp) is an important, temperature-dependent material property and is often specified in material data sheets. It can be conveniently and reliably measured by DSC. The specific heat capacity is a key property for improving technical processes such as injection molding, spray drying or crystallization as well as for the safety analysis of chemical processes and the design of chemical reactors. In this presentation, we will discuss six different methods for determining the specific heat capacity and present some interesting applications.

The determination of the specific heat capacity at constant pressure (cp) is a common application for solids and liquids. The heat capacity can easily be measured by DSC, or at higher temperatures by TGA-DSC. Sometimes, a so-called non-reversing effect (e.g. evaporation or crystallization) is superimposed on the cp curve. The determination then requires a temperature-modulated technique.

The presentation covers the following topics:

  • Definition of Specific Heat Capacity, cp
  • Importance of cp
  • Methods
    – Direct method
    – Sapphire method
    – IsoStep® DSC
    – Steady State ADSC
    – ADSC
    – TOPEM®
  • Applications

In this presentation, we will discuss the advantages and disadvantages of different cp methods.

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