Table 1 Polarization parameters and mild steel corrosion inhibition efficacy in 1.0 M HCl vary with PETPE content at 298 K.

From: Experimental and theoretical simulations to examine the influence of nonionic surfactant on the corrosion control of mild steel in hydrochloric acid

PETPE conc.

(ppm)

-Ecorr.

mV (SCE)

jcorr.

mA cm−2

βa

(mVdec−1)

-βc

(mV dec−1)

Pj%

Blank

20

40

60

80

100

551 ± 3.6

543 ± 2.3

541 ± 2.2

540 ± 1.7

539 ± 2.9

537 ± 1.9

0.487 ± 0.005

0.309 ± 0.006

0.224 ± 0.006

0.192 ± 0.004

0.087 ± 0.003

0.042 ± 0.003

112

132

135

142

124

127

82

65

47

53

77

45

-

36.5

54.0

60.5

82.1

91.3

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