Synthesis and Application of Phenyl Nitrone Derivatives as Acidic and Microbial Corrosion Inhibitors

Table 2

Inhibition efficiency of phenyl nitrone for Q235A steel in 3% HCl solution.

Inhibitor	Concentration (mg/L)	IE (%)
PN1	500	75.0
PN2	500	67.8
PN3	500	80.5
PN4	500	85.2
PN5	500	80.5
PN6	500	66.7
PN7	500	65.7
PN8	500	56.3
PN9	500	83.7
PN10	500	65.2
PN11	500	69.6