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Critical Analysis of the Isoconversional Methods for Evaluating the Activation Energy. I. Theoretical background

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Abstract

It is demonstrated that, if the activation energy depends on the degree of conversion, its values obtained by isoconversional differential and integral methods are different.

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References

  1. M. E. Brown, Introduction to Thermal Analysis. Techniques and Applications, University Press, Cambridge, 1988.

    Google Scholar 

  2. E. Segal and D. Fătu, Introduction to Non-isothermal Kinetics (in Romanian), Publishing House of the Romanian Academy, 1983]

  3. J. H. Flynn, Thermochim. Acta, 300 (1997) 83.

    Article  CAS  Google Scholar 

  4. S. Vyazovkin and C. A. Wight, Annual Rev. Phys. Chem., 48 (1997) 125.

    Article  CAS  Google Scholar 

  5. C. Popescu and E. Segal, Intern. J. Chem. Kinetics, 30 (1998) 313.

    Article  CAS  Google Scholar 

  6. P. Budrugeac, A. L. Petre and E. Segal, J. Thermal Anal., 47 (1996) 123.

    Article  CAS  Google Scholar 

  7. D. R. Dowdy, J. Thermal Anal., 32 (1987) 1177.

    Article  CAS  Google Scholar 

  8. H. L. Friedman, J. Polym. Sci., 6C (1965) 183.

    Google Scholar 

  9. J. H. Flynn and L. A. Wall, J. Res. Natl. Bur. Standards-A. Physics and Chemistry,70A (1966) 487.

    Google Scholar 

  10. T. Ozawa, Bull. Chem. Soc. Jpn., 38 (1965) 1881.

    Article  CAS  Google Scholar 

  11. P. Budrugeac and E. Segal, J. Therm. Anal. Cal., 53 (1998) 441.

    Article  CAS  Google Scholar 

  12. J. M. Criado, L. A. Perez-Maqueda and F. J. Gotor, J. Therm. Anal. Cal., 56 (1999) 357.

    Google Scholar 

  13. C. Doyle, J. Appl. Polym. Sci., 6 (1962) 639.

    Article  CAS  Google Scholar 

  14. J. H. Flynn, J. Thermal Anal., 37 (1991) 293.

    Article  CAS  Google Scholar 

  15. J. H. Flynn, J. Thermal Anal., 27 (1983) 95.

    Article  CAS  Google Scholar 

  16. P. K. Agrawal, Thermochim. Acta, 203 (1992) 93.

    Article  CAS  Google Scholar 

  17. A. W. Coats and J. P. Redfern, Nature, 201 (1964) 68.

    Article  CAS  Google Scholar 

  18. S. Vyazovkin and D. Dollimore, J. Chem. Inform. Computer Sci., 36 (1996) 42.

    Article  CAS  Google Scholar 

  19. C. R. Li and T. B. Tang, J. Thermal Anal., 49 (1997) 1243.

    Article  CAS  Google Scholar 

  20. C. R. Li and T. B. Tang, Thermochim. Acta, 325 (1999) 43.

    Article  CAS  Google Scholar 

  21. N. Koga, Thermochim. Acta, 244 (1994) 1.

    Article  CAS  Google Scholar 

  22. P. Budrugeac and E. Segal, ICTAC News, 5 (1995) 33.

    Google Scholar 

  23. S. Vyazovkin and W. Linert, Intern. Rev. Phys. Chem., 14 (1995) 355.

    Article  CAS  Google Scholar 

  24. S. Vyazovkin and W. Linert, Chem. Phys., 193 (1995) 109.

    Article  CAS  Google Scholar 

  25. S. Vyazovkin, Intern. J. Chem. Kinetics, 28 (1996) 95.

    Article  CAS  Google Scholar 

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Budrugeac, P., Homentcovschi, D. & Segal, E. Critical Analysis of the Isoconversional Methods for Evaluating the Activation Energy. I. Theoretical background. Journal of Thermal Analysis and Calorimetry 63, 457–463 (2000). https://doi.org/10.1023/A:1010148611036

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  • DOI: https://doi.org/10.1023/A:1010148611036

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