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. 2021 Feb 22;6(9):6261–6273. doi: 10.1021/acsomega.0c05839

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