Isobaric mass heat capacity measurement
Differential scanning calorimetry (DSC)
Article REF: P1205 V1
Isobaric mass heat capacity measurement
Differential scanning calorimetry (DSC)

Authors : Jean GRENET, Bernard LEGENDRE

Publication date: December 10, 2010, Review date: September 13, 2019 | Lire en français

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4. Isobaric mass heat capacity measurement

By adopting a specific experimental procedure, differential scanning calorimetry makes it possible to determine the mass heat capacity at constant pressure (isobaric) c p .

For a sample of mass m :

cp=1m(∂H∂T)p( 21 )

Therefore, for a sample of mass m, during a temperature sweep at constant speed β and constant pressure, the heat flux Φ has the expression:

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