Effect of Serine and Methionine on Electrochemical Behavior of the Corrosion of Mild Steel in Aqueous Solutions

Table 3

Rate of oxide thickening (nm/log 𝑡) on mild steel in 0.1 M Na₂HPO₄ solution (blank) in presence of 0.1 M NaCl and 0.02 M of different amino acids.

Test solutions	Slope	𝛿 (nm/log 𝑡)
0.1 M Na2HPO4; 0.1 M Na2HPO4 + 0.1 M NaCl (Blank)	57.00; 64.00	1.4540; 1.6327
(Blank) + Ser.	58.01	1.4796
(Blank) + Met.	101.99	2.6020