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International Journal of Corrosion
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International Journal of Corrosion
/
2022
/
Article
/
Tab 2
/
Research Article
Electrochemical, Isotherm, and Material Strength Studies of
Cucumeropsis mannii
Shell Extract on A515 Grade 70 Carbon Steel in NaCl Solution
Table 2
Factors and values at two levels for batch corrosion experiments.
Independent variables
Factor
Unit
Values of coded levels
-1
+1
Temperature (
)
o
C
30.0
60.0
Immersion time (
)
Day
1.0
5.0
Inhibitor concentration (
)
g L
-1
2
10
Load (
)
15,000
30,000