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

Figure 13

Arrhenius plot (a) and transition state plot (b) for the corrosion of AISI 321 in free and inhibited phosphoric acid solutions.

(a)

(b)