Table 3 Electrochemical Impedance parameters, double layer capacitance, % Inhibition efficiency and thickness of passive film formed on the surface of rebars embedded in mortars determined after 43 cycles of wet/dry treatments of mortars.

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

Id of samples

Rs (KΩ cm2)

Rct (KΩ cm2)

Y0 (S·sα/cm2) × 10−6)

Α

Cdi (μFcm−2)

t, nm

%E

Wd, S × s1/2/cm2 × 10−6

(Χ2) × 10−3

Control

1.61

1.04

42.4

0.63

8.9

4.47

–

1.9

5.8

0.10NIS + 0.10 BTAH

1.22

9.34

33.0

0.58

3.25

12.26

88.8

3.2

2.7

0.15NIS + 0.20 BTAH

1.19

23.25

32.3

0.63

3.13

12.73

95.5

5.4

2.9

0.15NIS + 0.25 BTAH

0.89

19.22

31.7

0.55

1.69

23.57

94.6

4.0

0.25

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