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Journal of Chemistry
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2013
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Article
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Tab 2
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Research Article
Inhibition Effect of Benzohydrazide Derivatives on Corrosion Behaviour of Mild Steel in 1 M HCl
Table 2
Corrosion parameters derived from weight loss measurements in 1 M HCl containing N′-benzylidenebenzohydrazide (BBH) at 303 K.
𝐶
(mM)
Corrosion rate (mmpy)
Surface coverage (
θ
)
Inhibition efficiency (%)
0.00
332.28
—
—
0.46
37.56
0.89
88.69
0.89
21.05
0.93
93.66
1.34
16.09
0.95
95.15
1.78
11.05
0.96
96.52
2.23
8.87
0.97
97.32