Research Article

Effect of Piperidin-4-ones on the Corrosion Inhibition of Mild Steel in 1 N H2SO4

Table 3

Activation parameters and for the mild steel dissolution in 1 N H2SO4 and in the absence and presence of variously substituted piperidin-4-ones at optimum concentration (0.4 × 10−3 M).

InhibitorsSlope  (mol−1)  (kJ mol−1)

(01)1.001.17807532.46
(02)0.991.20350130.37
(03)0.991.23178828.70
(04)1.001.17075626.55
(05)0.991.43141428.11
(06)0.991.19221429.23