Research Article

Investigation of Corrosion Protection of Austenitic Stainless Steel in 5.5 M Polluted Phosphoric Acid Using 5-Azidomethyl-7-morpholinomethyl-8-hydroxyquinoline as an Ecofriendly Inhibitor

Table 3

Electrochemical parameters of AISI 321 in 5.5 M polluted phosphoric acid at different concentrations of AMH.

Concentration (mmol/L) (mV) (mV) (μA) (μA) (mA)

Blank
0.565.06
173.48
2.589.29
595.57