Journal of Chemistry / 2013 / Article / Tab 2

Research Article

Development of Ecofriendly Corrosion Inhibitors for Application in Acidization of Petroleum Oil Well

Table 2

Potentiodynamic polarization parameters of the corrosion of N80 steel in 15% HCl in absence and presence of different concentrations of ODAEODI and AEODI at 25°C.

InhibitorsConcentration of inhibitors (ppm)Tafel slope (μA·cm−2) (mV)IE%
Anodic βaCathodic βc

Blank0109153471.4 −468
ODAEODI
20138183149.6 −482 68.26
10014618864.8 −476 86.25
15015219525.4 −474 94.61

AEODI20134176172.8 −472 63.34
10014418484.1 −474 82.16
15014819246.6 −479 90.11