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Citation: GUAN Lu-Xiong, ZHAN Jing-Jing, OU Ye-Xiu. Corrosion Inhibition of Carbon Steel by Schiff Base Compounds[J]. Chinese Journal of Applied Chemistry, ;2010, 27(6): 716-720. doi: 10.3724/SP.J.1095.2010.90501 shu

Corrosion Inhibition of Carbon Steel by Schiff Base Compounds

College of Chemistry and Chemical Engineering, Central South University, Changsha 410083

Received Date: 27 July 2009
Revised Date: 24 October 2009

Inhibitory effects of two Schiff bases N,N'-bis(salicylidene)-1,2-ethylendiamine(SB-Ⅰ) and salcylidene-pyridine-2-yl-amine(SB-Ⅱ) on the corrosion of carbon steel in 1 mol/L HCl solution were studied via mass loss measurement method,polarization and electrochemical impedance spectroscopy.The results show that compounds SB-Ⅰ and SB-Ⅱ have fairly good inhibiting properties for carbon steel corrosion in hydrochloric acid with the best efficiencies of 85% and 92%,respectively,at 20 mmol/L additive concentration,and they belong to anodic inhibitors.
- Schiff base,
- inhibitor,
- synthesis,
- hydrochloric acid,
- A3 carbon steel
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