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

Table 4

Relationship between 𝐸_corr and log(NO₂⁻/Cl⁻).

NO2^− mol/L	pH	𝐸𝐹, mV versus CSE	𝐸corr = 𝑎*log(NO2^−/Cl^−) + 𝑏
			𝑎	𝑏	𝑅^2
0.053	12.58	−342.5	201.9	−357.2	0.97
0.2	12.72	−351.4	172.6	−386.9	0.90
0.53	12.71	−350.7	124.3	−353.1	0.95
0.053	10.13	−188.2	370.2	−215.1	0.98
0.2	10.24	−195.1	253.0	−310.9	0.995
0.53	10.14	−188.8	326.5	−466.8	0.96
0.053	7.88	−46.4	398.0	−189.3	0.96
0.2	8.26	−70.4	396.7	−237.7	0.98
0.53	8.42	−80.5	307.4	−386.6	0.83