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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Calculation of the mass loss as relative change in mass of an event in a TGA curve. The beginning and end of a thermal event are determined using the first derivative curve (DTG) curve as shown in the lower graph.