Experimental and theoretical calculations on corrosion inhibition of steel in 1 M H2SO4 by crown type polyethers

被引：92

作者：

Hasanov, Rovshan ^{[1
]}

Bilge, Selen ^{[2
]}

Bilgic, Semra ^{[1
]}

Gece, Goekhan ^{[1
]}

Kilic, Zeynel ^{[2
]}

机构：

[1] Ankara Univ, Fac Sci, Dept Phys Chem, TR-06100 Ankara, Turkey

[2] Ankara Univ, Fac Sci, Dept Inorgan Chem, TR-06100 Ankara, Turkey

来源：

CORROSION SCIENCE | 2010年 / 52卷 / 03期

关键词：

Steel; Electrochemical calculation; Modelling studies; Acid inhibition; HYDROCHLORIC-ACID SOLUTION; MILD-STEEL; SULFURIC-ACID; SCHIFF-BASES; CARBON-STEEL; MOLECULAR-STRUCTURE; IODIDE-IONS; MEDIA; ALUMINUM; IRON;

D O I：

10.1016/j.corsci.2009.11.022

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The corrosion inhibitive efficiencies of two crown type polyethers, namely dibenzo-bis-imino crown ether (C-1) and dibenzo-diaza crown ether (C-2), which are macrocyclic Schiff base and its reduced form (macrocyclic amine), respectively, for the steel in I M H2SO4 have been investigated by Tafel extrapolation and linear polarization methods. Corrosion and adsorption isotherm parameters were determined from current-potential curves. The studies show that C-1 and C-2 inhibit the corrosion of the steel in H2SO4 solution. Semiempirical AMI method was used for theoretical calculations. The obtained results of these calculations for the compounds were found to be consistent with the experimental findings. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：984 / 990

页数：7

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