Research Article

Evaluation of Corrosion Resistance of Corrosion Inhibitors for Concrete Structures by Electrochemical Testing in Saturated Ca(OH)2 Solutions with NaCl and Na2SO4

Table 3

Representation of studied solutions.

InhibitorsConcentration of NaCl (g/L)Concentration of NaSO4 (g/L)Concentration of inhibitor (g/L)Solution names

None0.980.890.00C0.98-S0.89
1.77C0.98-S1.77
Lithium nitrite (LiNO2)0.892.04C0.98-S0.89-L2.04
1.77C0.98-S1.77-L2.04
Diethanolamine (HN(CH2CH2OH)2)0.890.51C0.98-S0.89-D0.51
1.77C0.98-S1.77-D0.51
Methyl diethanolamine (C₅H₁₃NO₂)0.890.50C0.98-S0.89-M0.50
1.77C0.98-S1.77-M0.50
4-Aminobutyric acid (H2N(CH2)3COOH)0.890.38C0.98-S0.89-A0.38
1.77C0.98-S1.77-A0.38