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Thermal stabilities of some benzaldehyde 2,4-dinitrophenylhydrazones

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Abstract

The thermal stability of some benzaldehyde 2,4-dinitrophenylhydrazones has been studied using DSC technique. The crystalline solids are thermally stable and start to decompose after melting. Non-isothermal DSC curves, recorded at several heating rates, were used to evaluate the melting properties and the kinetics of thermal decomposition. Both isoconversional and model fitting methods were used for the evaluation of the kinetic parameters. Based on the results of the model free method, a kinetic model was derived and the kinetic parameters were obtained by means of a multivariate non-linear regression. A good agreement between the experimental and fitted data was found.

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Authors and Affiliations

  1. Department of Physical Chemistry, Faculty of Chemistry, University of Bucharest, 4-12 Regina Elisabeta Blvd, 030018, Bucharest, Romania

    Jeanina Pandele Cusu & Dumitru Oancea

  2. Romanian Academy, “Ilie Murgulescu” Institute of Physical Chemistry, 202 Spl. Independentei, 060021, Bucharest, Romania

    Adina Magdalena Musuc

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  1. Jeanina Pandele Cusu
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  2. Adina Magdalena Musuc
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  3. Dumitru Oancea
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Correspondence to Jeanina Pandele Cusu.

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Cusu, J.P., Musuc, A.M. & Oancea, D. Thermal stabilities of some benzaldehyde 2,4-dinitrophenylhydrazones. J Therm Anal Calorim 109, 123–129 (2012). https://doi.org/10.1007/s10973-011-1470-4

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  • DOI: https://doi.org/10.1007/s10973-011-1470-4

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