Heating rate, °C/min

N2 atmosphere

O2 atmosphere

E, kJ/mol

A, min−1

E, kJ/mol

A, min−1

5

47.1

6.1 × 105

119.9

8.6 × 1010

20

85.3

1.8 × 107

117.4

5.7 × 1010

40

77.5

4.8 × 106

92.5

2.6 × 108

Model

First-order reaction

Second-order reaction