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Advances in Materials Science and Engineering
/
2019
/
Article
/
Tab 1
/
Research Article
Evaluation of Corrosion Resistance of Corrosion Inhibitors for Concrete Structures by Electrochemical Testing in Saturated Ca(OH)
2
Solutions with NaCl and Na
2
SO
4
Table 1
Physical properties of corrosion inhibitors.
Corrosion inhibitor
Value
Specific gravity
pH
Viscosity (cP)
Solid content (wt.%)
Lithium nitrite (LiNO
2
)
1.052
12.84
8.0
75.0
Diethanolamine (HN(CH
2
CH
2
OH)
2
)
1.097
12.21
10.0
90.0
Methyl diethanolamine (C₅H₁₃NO₂)
1.038
11.26
11.0
90.0
4-Aminobutyric acid (H
2
N(CH
2
)
3
COOH)
1.110
7.99
9.0
80.0