Differential Thermal Analysis (DTA):
This technique measures the temperature difference between a sample and a reference
material as a function of temperature as they are heated or cooled or kept at a constant
temperature (isothermal). Here the sample and reference material are simultaneously heated
or cooled at a constant rate. Reaction or transition temperatures are then measured as a
function of the temperature difference between the sample and reference. It provides vital
information of the materials regarding their endothermic and exothermic behaviour at high
temperatures. It finds most of its applications in analysing and characterising clay materials,
ceramic, ores, etc.
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