Thermogravimetric Analysis (TGA) is a technique in which the mass of a substance is monitored as a function of temperature or time as the sample specimen is subjected to a controlled temperature program in a controlled atmosphere.
TGA is commonly used to determine selected characteristics of materials that exhibit either mass loss or gain due to decomposition, oxidation, or loss of volatiles (such as moisture). TGA allows us to determine the weight loss characteristics of different products or formulations resulting from evaporation, oxidation or thermal cracking.
There are three types of thermogravimetry:
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