upward peaks in a DTA curve indicates
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By convention, endothermic response is represented by downward peaks whereas exothermic response is shown by upward peaks. Curve obtained from DTA can be used for identification purposes as a fingerprint of material. ... Area under DTA peaks gives enthalpy change of the sample.
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Differential thermal analysis (DTA) is a thermoanalytic technique that is similar to differential scanning calorimetry. ... Thus, a DTA curve provides data on the transformations that have occurred, such as glass transitions, crystallization, melting and sublimation.
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