The use of water-soluble hydrazones as inhibitors for the corrosion of C-steel in acidic medium

被引：71
|
作者：
Moussa, M. N. H. [1 ]
El-Far, A. A. [1 ]
El-Shafei, A. A. [1 ]
机构：
[1] Mansoura Univ, Dept Chem, Fac Sci, ET-35516 Mansoura, Egypt
来源：
MATERIALS CHEMISTRY AND PHYSICS | 2007年 / 105卷 / 01期
关键词：
corrosion; inhibition; C-steel; acididc medium; water soluber inhibitors;
D O I：
10.1016/j.matchemphys.2007.04.007
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Inhibition efficiency of some water-soluble hydrazones for C-steel corrosion in hydrochloric acid has been tested by weight loss, polarisation measurements and open circuit technique. The inhibition effect was attributed to the adsorption of the additives on the C-steel surface as supported by adsorption measurements at Pt electrode using cyclic voltarnmetry. Electrochemical measurements indicated that all the additives behave as cathodic-type inhibitors. The data obtained fit well to both the Temkin adsorption isotherm and the kinetic-thermodynamic model. The inhibition behaviour and its order were explained with the help of the proposed skeletal representation. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：105 / 113
页数：9
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