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Kinetic and thermodynamic parameters of the thermal decomposition of zinc(ii) dialkyldithiocarbamate complexes

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Abstract

The thermodynamic and kinetic parameters of the thermal decomposition of Zn(S2CNR2)2 complexes (R=CH3, C2H5 and n-C3H7) were determined with the dynamic thermogravimetric method. Superimposed TG/DTG/DSC curves show that thermal decomposition reactions for chelates with R=C2H5 and n-C3H7 occur in the liquid phase, at temperatures far away from their melting points, whereas for the complex with R=CH3 the thermal decomposition begins at a temperature closer to its melting point, suggesting a rather complex decomposition mechanism.

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Authors and Affiliations

  1. Departamento de Química, CCEN, Universidade Federal da Paraíba, 58059-900, Joăo Pessoa, Paraíba, Brazil E-mail

    M. C. D Silva, M. M. Conceiçăo, M. F. S. Trindade, A. G. Souza & C. D. Pinheiro1

  2. Departamento de Química, ICEx, Universidade Federal de Minas Gerais, 31270-901, Belo Horizonte, MG

    J. C. Machado

  3. 3Departamento Cięncias Básicas Sociais, Campus IV, Universidade Federal da Paraíba, Bananeiras, PB, Brazil

    P. F. A. Filho

Authors
  1. M. C. D Silva
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  2. M. M. Conceiçăo
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  3. M. F. S. Trindade
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  4. A. G. Souza
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  5. C. D. Pinheiro1
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  6. J. C. Machado
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  7. P. F. A. Filho
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Correspondence to M. C. D Silva.

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Silva, M.C.D., Conceiçăo, M.M., Trindade, M.F.S. et al. Kinetic and thermodynamic parameters of the thermal decomposition of zinc(ii) dialkyldithiocarbamate complexes. Journal of Thermal Analysis and Calorimetry 75, 583–590 (2004). https://doi.org/10.1023/B:JTAN.0000027149.08673.8e

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  • DOI: https://doi.org/10.1023/B:JTAN.0000027149.08673.8e

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