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dc.contributor.authorJoseph, Bincy-
dc.contributor.authorJohn, Sam-
dc.contributor.authorAravindakshan, K K-
dc.contributor.authorJoseph, Abraham-
dc.identifier.issn0975-0991 (Online); 0971-457X (Print)-
dc.description.abstractThe use of nitrogen and sulphur donor organic inhibitors in acid solutions is a common method for the protection of metals from corrosion. The present work is the study of the corrosion inhibition efficiency of (E)-4-(2-chlorobenzylideneamino)-6-methyl-3-thioxo-3,4-dihydro-1,2,4-triazin-5(2H)-one (CBMTDT) towards mild steel in 1 M HCl. The work strategy includes the conventional weight loss method, potentiodynamic polarization studies (Tafel), linear polarization studies (LPR), electrochemical impedance spectroscopy (EIS), adsorption studies and quantum chemical calculations. Results showed that the corrosion rate decreases and inhibition efficiency increases with inhibitor concentration. The results of polarization studies reveal that the additive acts as a mixed type inhibitor. The surface adsorption of the inhibitor molecules decreases the double layer capacitance and increases the polarization resistance. The adsorption process is spontaneous and follows Langmuir adsorption isotherm model. The optimized structure of the inhibitor, energies of LUMO, HOMO and other physical parameters are calculated by computational quantum chemical methods.en_US
dc.publisherNISCAIR-CSIR, Indiaen_US
dc.rights CC Attribution-Noncommercial-No Derivative Works 2.5 Indiaen_US
dc.sourceIJCT Vol.17(6) [November 2010]en_US
dc.subjectMild steelen_US
dc.subjectElectrochemical impedenceen_US
dc.subjectPotentiodynamic polarizationen_US
dc.titleInhibition of mild steel corrosion in 1 M hydrochloric acid using (E)-4-(2-chlorobenzylideneamino)-6-methyl-3-thioxo-3,4-dihydro-1,2,4-triazin-5(2H)-one (CBMTDT)en_US
Appears in Collections:IJCT Vol.17(6) [November 2010]

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