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oai:ojs.www.eurjchem.com:article/1083 2014-12-31T04:47:25Z eurjchem:ART driver

Synthesis and corrosion inhibition evaluation of novel aminic nitrogen-bearing 1,2,4-triazole Schiff base compounds Arafa, Wael Abdel Gayed Ahmed El-Sayed, Nady Hashem EIS Copper Inhibitor Schiff base Polarization Heterocycles Simple, effective, and high yield synthetic procedure for the synthesis of Schiff bases 5a-c is described. The scope of this reaction was investigated and noted that the presence of nickel(II) nitrate hexahydrate gave the corresponding Schiff bases in excellent yields. The inhibition effects of N-((1-phenyl-3-(thiophen-2-yl)-1H-pyrazol-5-yl)methylene)-4H-1,2,4-triazol-3-amine (PTP), 5c, have been investigated against the corrosion of copper in 0.5 M HCl solution. The investigations were accomplished using potentiodynamic polarization and electrochemical impedance measurements. Potentiodynamic polarization measurements indicated that the examined compound is mixed-type inhibitor. The results of electrochemical impedance indicated that the values of the charge transfer resistance and the inhibition efficiency tend to be increased by increasing the inhibitor concentration. Atlanta Publishing House LLC 2014-12-31 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://www.eurjchem.com/index.php/eurjchem/article/view/1083 10.5155/eurjchem.5.4.563-569.1083 European Journal of Chemistry; Vol. 5 No. 4 (2014): December 2014; 563-569 2153-2257 2153-2249 eng https://www.eurjchem.com/index.php/eurjchem/article/view/1083/pdf_1083