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. 2018 Mar 1;12:22. doi: 10.1186/s13065-018-0381-x

Table 2.

The characteristic temperatures of the title compounds at different heating rates and the kinetic parameters

1,1ʹ-Azobis-1,2,3-triazole 4,4ʹ-Azobis-1,2,4-triazole
Heating rates
β/°C min−1
T0/°C Te/°C TP/°C Heating rates
β/°C min−1
T0/°C Te/°C TP/°C
5 176.1 188.5 189.7 5 281.7 288.8 312.7
7 179.3 189.2 191.6 7 286.2 294.5 315.2
10 181.2 192.5 193.9 10 289.7 299.8 317.7
13 183.3 193.4 195.6 15 298.6 309.2 320.4
20 189.8 199.7 198.0 20 302.1 315.1 322.7
T00/°C Te0/°C TP0/°C T00/°C Te0/°C TP0/°C
163.94 180.82 183.32 278.00 276.13 303.34
Data calculated by the Kissinger method
 EK/kJ mol−1 291.4 396.2
 ln(AK/s−1) 75.53 80.98
 Linear correlation coefficient (rK) 0.9986 0.9989
 Standard deviation 0.0185 0.0158
Data calculated by the Ozawa–Doyle method
 EO/kJ mol−1 284.5 386.1
 Linear correlation coefficient (rO) 0.9986 0.9990
 Standard deviation 0.0181 0.0154
 Ea/kJ mol−1 287.95 391.15

Ea is the average of EK and EO