As per ISO 11357-1 with this method, a sample and a reference are subjected to a controlled temperature program (heating, cooling or isothermal). The actual measured properties are the temperature of the sample and the temperature difference between sample and reference. From the raw data signals, the heat flow difference between sample and reference can be determined.
The DSC systems are based on relevant instrument and application standards, e.g., ISO 11357, ASTM E793, ASTM D3895, ASTM D3417, ASTM D3418, DIN 51004, DIN 51007.
Measurement Results by DSC
Melting temperatures and enthalpies (heats of fusion)
Crystallization temperatures and enthalpies
Post-crystallization
Glass transition temperatures
Oxidative-induction time (OIT) and oxidative-onset temperature (OOT)
Degree of crystallinity
Solid-solid transitions
Decomposition onset
Polymorphism
Phase transitions
Liquid crystal transitions
Eutectic purity
Purity Determination
Reaction temperatures and enthalpies
Cross-linking reactions (curing)
Degree of curing
Specific heat capacity cp
Distribution of crystal molecular weight (qualitative, via peak shape)
Compatibility
Kinetic studies