Table 3. Obtained Values of r and E in Different Stages of Pyrolysis.
| sample | stage | r (correlation coefficient) | E (activation energy) KJ/mol | ΔS# entropy (J/g) | A (S–1) |
|---|---|---|---|---|---|
| SMP | I | 0.90 | 134.0 | –39.25 | 1.75 × 109 |
| II | 0.99 | 280.6 | –36.18 | 4.54 × 109 | |
| SMPC-CuO | I | 0.98 | 194.3 | –22.87 | 1.63 × 1011 |
| II | 0.99 | 242.9 | 18.90 | 1.93 × 1016 | |
| SMPC-Fe2O3 | I | 0.99 | 166.3 | 17.26 | 7.27 × 1011 |
| II | 0.99 | 312.5 | 55.74 | 5.18 × 1020 | |
| SMPC-CuFe2O4 | I | 0.97 | 236.4 | 17.00 | 9.95 × 1015 |
| II | 0.99 | 289.8 | 41.63 | 1.06 × 1019 |