Thermogravimetry Q-TG studies of surface properties of lunar nanoparticles

The paper considers the method of thermogravimetric analysis, which is one of the few absolute methods of analysis, which makes it one of the most accurate methods. In this study, a thermogravimetric analysis of rapeseed was carried out, which allowed to determine the temperature zones corresponding to moisture removal with different binding energy, which makes it possible to predict the regime parameters of the process of moisture removal and to choose the most effective way of their dehydration. Studies were conducted in the laboratory of the center for collective use "Control and management of energy efficient projects" of the "Voronezh State University of Engineering Technologies" on the device of synchronous thermal analysis model STA 449 F3 (NETZSCH, Germany) the Device records the change in the mass of matter and the difference in the heat flow in the crucible containing the sample, and the crucible containing the standard of the test substance. The principle of operation of the analyzer is based on the constant recording of the dependence of the change in the mass of the material on time or temperature when it is heated in accordance with a given temperature program in the established gas atmosphere. At the same time, heat release or absorption by the sample due to phase transitions or chemical reactions is recorded. The study was performed in the following modes: pressure is atmospheric, the maximum temperature of 413 K, the rate of change of temperature of 5 ?C/min. For the experiment using aluminum crucibles with a total weight of 12 mg. NETZSCH Proteus software was used to build the resulting Tg and DTG dependencies. The obtained dependences allowed to identify the periods of water dehydration and conversion of dry substances under thermal effects on rapeseed, as well as to identify the temperature zones that correspond to the release of moisture with different forms and binding energy.

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Thermogravimetry Q-TG studies of surface properties of lunar nanoparticles

Cited by 2 publications

References 12 publications

Studies of adsorption and total heterogeneity properties of pure and modified carbon nanotube surfaces

Studies of adsorption and total heterogeneity properties of pure and modified carbon nanotube surfaces

The research of moisture forms in the rape by the thermogravimetric analysis method

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