Table 4 Tafel parameter for Fig. 9f.

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

Medium

Ecorr (V) vs. SCE

βa (V dec−1)

βc (V dec−1)

icorr (A cm−2)

Cu + sterile medium only

−0.383

0.096

−0.162

1.32 × 10−7

Cu + sterile medium + riboflavin

−0.354

0.149

−0.129

8.96 × 10−8

Ni + sterile medium only

−0.551

0.151

−0.111

1.52 × 10−6

Ni + sterile medium + riboflavin

−0.529

0.115

−0.119

1.08 × 10−6

  1. Parameters from the potentiodynamic polarization curves of Cu and Ni coupons after the 7-d immersion in the sterile medium with and without riboflavin.
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