Isoconversional Methodology - Isoconversional Kinetics of Thermally Stimulated Processes - page 49

Fig. 2.17 Activation energy
determined by three different
isoconversional methods
for the thermal decomposi-
tion of nickel nitrate in air.
(Reproduced from Jancovic
et al. [ 72 ] with permission of
Elsevier)

Fig. 2.18 The y ( ʱ ) and z ( ʱ )
plots for the thermal decom-
position of nickel nitrate in
air. (Reproduced from Janco-
vic et al. [ 72 ] with permission
of Elsevier)

− β E E

0 0

(2.38)

A = exp .

2 ′

RT

RT f ( α )

max

max max

In Eq. 2.38, the subscript max denotes the values related to the maximum of the dif-
ferential kinetic curve obtained at a given heating rate. That is, T max represents the
peak temperature and ʱ max the extent of conversion at this temperature.