Temperature (˚C)

Apparent rate constants (10⁻³ min⁻¹)

Correlation coefficient, R²

k₂

k₃

k₄

k₂

k₃

k₄

30

1.40

0.58

2.02

0.809

0.997

0.789

40

1.66

0.79

2.39

0.798

0.997

0.773

60

2.58

1.79

3.63

0.799

0.994

0.765

80

3.39

2.83

4.65

0.864

0.996

0.824

90

3.63

3.18

4.96

0.848

0.995

0.801