Abstract
Computer modelling calculations will be presented which verify the fact that, if a single reaction follows either Arrhenius or transition state kinetic theory over its entire extent, then the maximum rate of reaction data obeys the modified Kissinger equation, irrespective of the applicable kinetic model. The magnitude of the Kissinger parameter correction term is dependent on the model, ranging from about 0.4% for nth order and random nucleation, Avrami-Erofeev models to 17% for three dimensional diffusion controlled reactions. The consequences of selecting the incorrent kinetic model in interpreting experimental thermoanalytical data will be examined, thereby giving a rational explanation for the wide range of published kinetic parameters for a number of solid state decompositions.
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