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Artigo Thermal decomposition kinetics of PrMO3 (M 5 Ni or Co) ceramic materials via thermogravimetry(Springer, 2010-12-08) Aquino, Flávia de Medeiros; Melo, Dulce Maria de Araújo; Santiago, R. C.; Melo, Marcus Antônio de Freitas; Martinelli, Antonio Eduardo; Freitas, Júlio César de Oliveira; Araújo, L. C. B.Thermogravimetric data using the non-isother-mal kinetic models of Flynn and Wall and ‘‘Model free Kinetics’’ were used to determine the activation energy to study the decomposition kinetics of the ligand groups with system’s metallic ions that takes part in the synthesis of PrMO3 (M = Ni or Co). This activation energy was determined for the stage of highest decomposition of the organic matter to establish parameters in synthesis condition optimization and application of the proposed material