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Journal of Thermal Analysis and Calorimetry
Authors: Hiléia K. S. Souza, V. R. da Silveira, F. M. M. Borges, Dulce M. A. Melo, H. Scatena Jr., O. A. de Oliveira, and A. G. Souza

Abstract

Thermal behavior of rare earth nitrate complexes with 2-azacyclononanone (AZA) with Ln(NO3)3·3(AZA) composition (where Ln=Gd, Er and Ho) was analyzed in kinetic point of view. Kinetic parameters were calculated from thermogravimetric data. All obtained results were similar. The first decomposition step was representative to the loss of ligand and the residue was essentially Ln2O3. Furthermore, a reaction path was proposed for the thermal decomposition of the Ln(NO3)3·3(AZA).

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