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Thermal decomposition study of antimony (III) tribromide and aromatic amine adducts

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Abstract

Solid adducts, SbBr3 · L (L = pyridine, 2-, 3- and 4-methylpyridine; abbreviated as Py, 2MPy, 3MPy and 4MPy) were synthesized and characterized by elemental analysis and IR spectroscopy. According to the results coordination of nitrogen of aromatic ring with antimony atom was supposed. Kinetic studies were accomplished by using thermogravimetric data obtained through non-isothermal technique. Determination of activation energy and pre-exponential factor was based on the Coats–Redfern integral Ozawa–Flynn–Wall model-free methods. The kinetics parameters Ea, and log A determined at 5 K min−1 were 150.6 kJ mol−1, 16.0 and 122.0 kJ mol−1, 12.4 for SbBr3 · Py and SbBr3 · 4MPy, respectively.

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Acknowledgments

The authors thank to CAPES and CNPq for financial support.

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Authors and Affiliations

  1. Departamento de Química, CCEN, Universidade Federal da Paraíba, Caixa Postal 5093, João Pessoa, PB, 58059-900, Brazil

    E. P. S. Martins, J. R. Botelho, S. F. Oliveira, L. N. H. Arakaki, M. G. Fonseca & J. G. P. Espínola

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  1. E. P. S. Martins
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  2. J. R. Botelho
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  3. S. F. Oliveira
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  4. L. N. H. Arakaki
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  5. M. G. Fonseca
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  6. J. G. P. Espínola
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Correspondence to M. G. Fonseca.

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Martins, E.P.S., Botelho, J.R., Oliveira, S.F. et al. Thermal decomposition study of antimony (III) tribromide and aromatic amine adducts. J Therm Anal Calorim 97, 427 (2009). https://doi.org/10.1007/s10973-009-0087-3

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  • DOI: https://doi.org/10.1007/s10973-009-0087-3

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