DSCkäyrä

DSCkäyrä is a Finnish term that translates to DSC curve or DSC plot. DSC stands for Differential Scanning Calorimetry, which is a thermal analysis technique used to measure the heat flow into or out of a sample as a function of temperature or time. A DSCkäyrä visually represents the results of such a measurement. The horizontal axis typically represents temperature, and the vertical axis represents the difference in heat flow between the sample and a reference material.

Exothermic processes, where heat is released, are usually shown as a downward deflection from the baseline, while endothermic processes, where heat is absorbed, appear as an upward deflection. Common features observed on a DSCkäyrä include melting points, glass transitions, crystallization events, and chemical reactions. The area under a peak is proportional to the enthalpy change of the process, and the peak temperature indicates the temperature at which the event occurs. Analyzing a DSCkäyrä allows scientists and engineers to study material properties, determine thermal stability, and identify unknown substances. It is widely used in various fields, including materials science, polymer research, pharmaceuticals, and food science.