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
Figure 4
Evolution of hydrogen gas released (a) and the corresponding inhibition efficiencies (b) over time for AISI 321 in 5.5 M polluted phosphoric acid in the absence and in the presence of different concentrations of AMH at 20°C.
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(b) |