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Kinetics and dissociation mechanism of heptaaqua-p-nitrophenolatostrontium(II) nitrophenol

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Abstract

A single crystal of heptaaqua-p-nitrophenolatostrontium(II) nitrophenol (HNSN) was grown, and the structure was confirmed by UV–Vis–NIR, FT-IR, FT-NMR, and high-resolution X-ray diffraction (HRXRD) analyses. The dielectric loss, dielectric constant, and the mechanical strength of the crystal have already been reported. The dynamic, non-isothermal thermal analysis was carried out at different heating rates, and TG and DTG data were used for the interpretation of the mechanisms and kinetics of decomposition by means of a model fitting method, Coats–Redfern equation, and a model-free method, Kissinger and Flynn–Wall method. The values of activation energy (E) and the pre-exponential factor (ln A) of each stage of thermal decomposition at various linear heating rates were calculated.

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Acknowledgements

The authors thank Kitheri Joseph, Scientific officer, Indira Gandhi Center for Atomic Research, Kalpakkam, for her fruitful suggestions.

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Authors and Affiliations

  1. Department of Chemistry, Loyola College, Nungambakkam, Chennai, Tamilnadu, 600 034, India

    Jeya Rajendran

  2. Fireworks Research and Development Centre, Petroleum and Explosives Safety Organisation, Anayoor Village, Sivakasi, Tamilnadu, 626 124, India

    T. Lekshmana Thanu Lingam

  3. Department of Physics, Loyola College, Nungambakkam, Chennai, Tamilnadu, 600 034, India

    M. Jose & S. Jerome Das

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  1. Jeya Rajendran
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  2. T. Lekshmana Thanu Lingam
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  3. M. Jose
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Correspondence to Jeya Rajendran.

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Rajendran, J., Lekshmana Thanu Lingam, T., Jose, M. et al. Kinetics and dissociation mechanism of heptaaqua-p-nitrophenolatostrontium(II) nitrophenol. J Therm Anal Calorim 103, 845–851 (2011). https://doi.org/10.1007/s10973-010-1192-z

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  • DOI: https://doi.org/10.1007/s10973-010-1192-z

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