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The famous Kissinger’s kinetic evaluation method (Anal. Chem. 1957) is examined with respect to: a) the relation between the DTA signal θ (t) and the reaction rate r(t) ≡ dα/dt; b) the requirements on reaction mechanism model f(α); and c) the relation of starting kinetic equation to the equilibrium behavior of sample under study. Distorting effect of heat inertia and difference between the temperature T p of extreme DTA deviation and the temperature T m at which the reaction rate is maximal are revealed. The kinetic equations respecting the influence of equilibrium temperature T eq , especially fusion temperature T f , are tested as bases for a modified Kissinger-like evaluation of kinetics.
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Holba et al. (2014) studied this question.
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