Table 3 Comparison of the kinetic parameters obtained with the most probable mechanism function g(  α  ) for non-isothermal degradation of chitin and chitosan
From: Non-isothermal kinetics of thermal degradation of chitosan
Parameter | Chitin | Chitosan | ||
|---|---|---|---|---|
| Â | First stage | Second stage | First stage | Second stage |
E (kJ mol–1) | 154.0 | 114.8 | 126.0 | 99.1 |
A (min-1) | 2.51×1014 | 5.36×107 | 2.01×1012 | 1.47×106 |
–ΔS≠(J mol–1 K–1) | 29.7 | 148.3 | 69.1 | 183.4 |
ΔH≠(kJ mol–1) | 149.7 | 108.5 | 121.9 | 92.7 |
ΔG≠(kJ mol–1) | 165.0 | 220.6 | 155.8 | 233.3 |