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Thermogravimetric analysis (TGA) is a method of thermal analysis in which the mass of a sample is measured over time as the temperature changes. This measurement provides information about physical phenomena, such as phase transitions, absorption, and desorption; as well as chemical phenomena including chemisorptions, thermal decomposition, and solid-gas reactions. TGA instruments are designed so that they can switch gases during the test, as a result of which they provide wide-ranging information in a single experiment. Some of the standard applications of TGA are as follows: Thermal stability/degradation studies, Quantitation of volatiles and moisture, Vaporization and sublimation, Decomposition kinetics.


Adding the 3rd Dimension to Thermogravimetry

Standard thermogravimetric analysis (TGA) is frequently applied to measure the weight of a material as a function of temperature, but standard TGA does not provide sufficient information under extreme conditions. Many materials are exposed to not only high pressure, but also humidity or reactive gas atmospheres in their normal use. In these cases, testing materials with high-pressure TGA provides a genuine assessment of stability, decomposition, and lifetime.


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