Abstract
Abstract A report of recent developments in the theory of the emanation thermal analysis of porous and dispersed solids is given. A mathematical model of the inert gas release during non-isothermal heating of solids is suggested, describing the behaviour of porous and dispersed solids on heating, taking into account the annealing of structure defects, recrystallization, sintering and the chemical reaction between particles of the powdered sample. Using the suggested model, it was possible to characterize the disorder state of solids and its changes, diffusion phenomena in solids, the kinetics of surface and structure changes and the reaction of zinc ferrite formation from zinc oxide and iron(III) oxide.
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