Table 2 Fitted electrochemical parameters from EIS data of Ni.

From: Enhancement of exogenous riboflavin on microbiologically influenced corrosion of nickel by electroactive Desulfovibrio vulgaris biofilm

Incubation (day)

Rs (kΩ cm2)

Yf (Ω−1 cm−2 sn)

n1

Rf (kΩ cm2)

Ydl (Ω−1 cm−2 sn)

n2

Rct (kΩ cm2)

Rf + Rct (kΩ cm2)

Ni + sterile medium only

1

0.024

-

-

-

0.00009

0.86

23.1

23.1

7

0.025

-

-

-

0.00008

0.86

25.4

25.4

Ni + sterile medium + riboflavin

1

0.023

-

-

-

0.00008

0.86

24.4

24.4

7

0.024

-

-

-

0.00008

0.86

26.6

26.6

Ni + D. vulgaris only

1

0.032

0.002

0.89

4.57

0.007

1

3.17

7.74

3

0.028

0.003

0.79

0.021

0.001

1

5.91

5.93

5

0.023

0.003

0.84

2.95

0.008

1

1.76

4.71

7

0.017

0.003

0.83

2.86

0.011

1

1.56

4.42

Ni + D. vulgaris + riboflavin

1

0.035

0.003

0.85

5.30

0.007

0.8

0.051

5.35

3

0.014

0.004

0.77

0.022

0.006

0.82

3.29

3.31

5

0.021

0.005

0.80

1.02

0.011

0.8

1.49

2.51

7

0.018

0.006

0.80

0.810

0.021

0.8

0.741

1.55

  1. EIS parameters for Ni coupons immersed in the sterile medium and D. vulgaris media with and without riboflavin.
  2. Bold values indicates statistically significant.