International Scholarly Research Notices

Research Article

Adsorption and Corrosion Inhibition Characteristics of Some Nicotinamide Derivatives on Mild Steel in Hydrochloric Acid Solution

Table 1

CR and IE (%) obtained from mass loss measurements of MS in 0.5 M HCl solution containing various concentrations of IMN and TMNat different temperatures.
(°C)C (ppm)IMNTMN
CR (mg cm−2 h−1)IE (%)CR (mg cm−2 h−1)IE (%)
30Blank0.7200—0.7200—
2000.209670.90.126282.5
3000.155578.40.077089.3
4000.143080.20.064491.1
5000.112384.40.038694.6
40Blank0.9490—0.9490—
2000.282070.30.178381.2
3000.241274.60.140785.2
4000.200878.80.100589.4
5000.157083.50.066493.0
50Blank1.1520—1.1520—
2000.361768.60.235779.5
3000.310073.10.183284.1
4000.267176.80.143687.5
5000.221480.80.094591.8
60Blank1.4350—1.4350—
2000.479166.60.329277.1
3000.391672.70.238183.4
4000.364974.60.210585.3
5000.291379.70.142790.1