Effect of Nitrite Ions on Steel Corrosion Induced by Chloride or Sulfate Ions

Figure 3

Relationship between 𝐸_𝐹 and pH for sulfate-induced corrosion. (a) NO₂⁻=0.02 mol/L, (b) NO₂⁻=0.053 mol/L, (c) NO₂⁻=0.2 mol/L, and (d) combination of (a), (b), and (c).

(a)

(b)

(c)

(d)