Table 2 Electrochemical impedance parameters extracted from impedance plots of Fig. 4a,b using simulated electrical circuit schematically presented in Fig. 5.

From: Synergistic effect of benzo triazole with polyethoxylated sorbitan monooleate in inhibiting corrosion of rebars and chloride diffusion through mortars

Id of samples

Rs (Ω cm2)

Rct (KΩ cm2)

Y0 (S sα/cm2) × 10−6)

α

Cdi (μFcm−2)

t, nm

%E

χ2 × 10−5

Control

22.46

0.81

481.2

0.56

14.04

2.8

–

1.20

0.10NIS + 0.10 BTAH

13.13

2.65

361.0

0.58

12.70

3.1

70.5

3.41

0.15NIS + 0.20 BTAH

11.80

9.83

212.2

0.58

2.83

14.0

91.7

1.11

0.15NIS + 0.25 BTAH

14.65

9.98

214.2

0.57

2.83

14.0

91.9

2.44

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