differential scanning calorimetry (DSC)

https://dx.doi.org/10.1351/goldbook.D01708
A technique in which the difference in energy inputs into a substance (and/or its reaction product(s)) and a reference material is measured as a function of temperature whilst the substance and reference material are subjected to a controlled temperature programme.
Source:
PAC, 1985, 57, 1737 (Nomenclature for thermal analysis - IV (Recommendations 1985)) on page 1739