Table 2 Tafel polarization parameters associated with polarization curves for C-steel in 2.0 M H2SO4 solution with and without Irish ivy extract (IIE) at 298 K under dynamic conditions.

From: An eco-friendly corrosion inhibitor for steel used in desalination systems during acid cleaning: Irish ivy extract

IIE extract

(g L-1)

-Ecorr

mV (SCE)

M ± SD

jcorr

μA cm-2

M ± SD

βa

(mV dec−1)

-βc

(mV dec−1)

ηj%

Blank

0.1

0.2

0.3

0.4

0.5

562 ± 2.3

544 ± 2.2

551 ± 2.1

550 ± 1.6

548 ± 1.1

557 ± 1.2

634 ± 2.4

159 ± 2.3

135 ± 2.1

108 ± 1.7

61 ± 1.2

52 ± 1.3

57

58

59

61

63

65

84

88

91

87

92

93

-

74.9

78.7

82.9

90.3

91.7

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