Table 4 Activation Energy (Ea), enthalpy of activation (∆Ha), and entropy of activation (∆Sa) for the reinforcement steel in saline SCPS in the presence of various concentrations of Q-32 corrosion inhibitors.

From: An efficient green ionic liquid for the corrosion inhibition of reinforcement steel in neutral and alkaline highly saline simulated concrete pore solutions

Conc. of inhibitor µmol L−1

Ea (kJ mol−1)

ΔHa (kJ Mol−1)

ΔSa (J mol−1 K−1)

Blank

40.0

38.19

− 87.23

5

51.0

49.45

− 73.91

10

55.2

53.39

− 63.65

15

68.4

65.84

− 45.17

20

74.0

71.41

− 31.79