Table 1 The obtained electrochemical parameters from the modeling of EIS data depicted in Fig. 3.

From: Fabrication of an inorganic-organic hybrid based on lanthanum and trigonella grandiflora extract as an innovative corrosion inhibitor

Sample

Time (h)

R(ohm.cm2)

Rf (Ohm.cm2)

Cf (µF/cm2)

Cdl (µF/cm2)

Rct (Ohm.cm2)

Blank

3

9.8 ± 0.56

104.6 ± 5.2

1822 ± 65.9

5

5.5 ± 0.87

98.0 ± 1.9

1824 ± 65.9

24

6.2 ± 0.77

141.1 ± 4.2

2421 ± 65.9

48

5.9 ± 0.67

149.4 ± 9.0

2330 ± 76.9

72

7.1 ± 0.45

190.1 ± 9.5

2449 ± 73.8

96

6.3 ± 0.87

115.3 ± 5.8

3010 ± 28.7

La@TG

3

11.9 ± 1.1

62.5 ± 2.32

180.1 ± 31.0

89.7 ± 4.4

3029 ± 37.7

5

12.3 ± 0.98

76.0 ± 3.32

104.7 ± 41.1

55.3 ± 2.7

2535 ± 38.9

24

12.2 ± 1.3

71.7 ± 4.23

97.2 ± 25.7

86.0 ± 64.6

4071 ± 34.4

48

16.3 ± 1.9

16.2 ± 2.12

14.1 ± 15.2

20.9 ± 0.83

4504 ± 45.8

72

14.2 ± 2.2

19.5 ± 2.9

6.5 ± 14.7

45.5 ± 2.3

4411 ± 43.7

96

17.4 ± 2.1

20.6 ± 3.3

5.5 ± 15.4

51.1 ± 2.5

5005 ± 54.8