Table 6 Polarisation parameters for MS in 1.0 M HCl with 0.5 mM nonanedihydrazide at variable temperature conditions.

From: Experimental and theoretical study on the corrosion inhibition of mild steel by nonanedioic acid derivative in hydrochloric acid solution

T. (K)

Potentiodynamic polarization parameters (PD)

CR (mpy)

Icorr (µA.cm-2)

βc (V.dec-1)

βa (V.dec-1)

−Ecorr (mV.vs.SCE)

IE %

303

 Without Inh

7.5910

550.000

0.13150

0.13590

493.000

0.000

 With 0.5 mM

0.0537

44.6200

0.40300

0.60040

385.000

93.31

313

 Without Inh

76.6600

667.000

0.67750

0.70330

655.000

0.000

 With 0.5 mM

13.6900

135.000

0.09630

0.07070

538.000

75.45

323

 Without Inh

114.800

824.000

0.71790

0.97220

674.000

0.000

 With 0.5 mM

423.100

416.000

0.12900

0.12010

487.000

49.51

333

 Without Inh

622.400

1564.000

2.00300

4.01500

673.000

0.000

 With 0.5 mM

1017.00

999.000

0.14240

0.14240

463.000

36.13