Catalyst

Catalyst a(% w/w)

Activation energy (Ea/kJmol−1)

Regression for line used for Ea

C-1

50

76.94

0.967

C-2

50

80.09

0.982

C-3

50

65.26

0.973

C-4

50

72.77

0.964

C-5

50

115.3

0.955

C-6

50 (silica)

310.7

0.993