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Table 1 Kinetic parameters for the 1,3-butadiene thermal reaction

From: Reactivity and kinetics of 1,3-butadiene under ultraviolet irradiation at 254 nm

T/K First order model Second order model
k1 × 10–3/h−1 Kinetic equation R2 k1/(mol h)−1 Kinetic equation R2
298 0.7504 ln n = − 0.7504 × 10−3t − 9.106 0.9812 6.771 1/n = 6.771 t + 9007 0.9813
303 1.055 ln n =  − 1.055 × 10−3t − 9.154 0.9186 9.999 1/n = 9.999 t + 9457 0.9190
308 1.493 ln n =  − 1.493 × 10−3t − 9.156 0.9565 14.19 1/n = 14.19 t + 9469 0.9569
313 2.149 ln n =  − 2.149 × 10−3t − 9.190 0.9599 19.98 1/n = 19.98 t + 9799 0.9689
318 2.727 ln n =  − 2.727 × 10−3t − 9.215 0.9596 27.58 1/n = 27.58 t + 10,048 0.9602
323 3.449 ln n =  − 3.449 × 10−3t − 9.098 0.9716 31.12 1/n = 31.12 t + 8938 0.9708