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 5

Various corrosion parameters for AISI 321 in 5.5 M polluted phosphoric acid in the absence and presence of optimum concentration of AMH at different temperatures.

Temperature (°C)	(μA/cm^2)		Efficiency (%)
	H3PO4 5.5 M	5 mmol/L of inhibitor
20	384.07	17.02	95.57
30	406.33	38.01	90.65
40	745.53	73	90.21
50	975.73	105.35	89.20
60	1671.6	173.19	89.64