The Adsorption and Corrosion Inhibition of 2-[Bis-(3,5-dimethyl-pyrazol-1-ylmethyl)-amino]-pentanedioic Acid on Carbon Steel Corrosion in 1.0 m HCl

被引：0
|
作者：
Zarrouk, A. [1 ]
Zarrok, H. [2 ]
Salghi, R. [3 ]
Bouroumane, N. [1 ]
Hammouti, B. [1 ]
Al-Deyab, S. S. [4 ]
Touzani, R. [1 ,5 ]
机构：
[1] Univ Mohammed 1, Fac Sci, LCAE URAC18, Oujda, Morocco
[2] Univ Ibn Tofail, Fac Sci, Lab Procedes Separat, Kenitra, Morocco
[3] Univ Ibn Zohr, ENSA, Equipe Genie Environm & Biotechnol, Agadir, Morocco
[4] King Saud Univ, Coll Sci, Dept Chem, Petrochem Res Chair, Riyadh 11451, Saudi Arabia
[5] Univ Mohammed Premier, Fac Polydisciplinaire, LCAE URAC18, Nador, Morocco
来源：
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2012年 / 7卷 / 10期
关键词：
Pyrazole; Steel; Corrosion inhibition; Polarization curves; EIS; MILD-STEEL; C38; STEEL; THERMODYNAMIC CHARACTERIZATION; TRIPODAL LIGAND; SULFURIC-ACID; DERIVATIVES; COPPER; TEMPERATURE; DONOR; DISSOLUTION;
D O I：
暂无
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
In this study, we investigated the inhibition of the corrosion of carbon steel (CS) in acidic solution by 2-[Bis-(3,5-dimethyl-pyrazol-1-ylmethyl)-amino]-pentanedioic acid (Bip1) was studied against carbon steel corrosion, in acidic environment using weight loss and electrochemical measurements. The inhibition efficiency increased with increasing inhibitor's concentration, but decreased with the increase in temperature. Bip1 acted as a highly efficient mixed type inhibitor. Adsorption of used inhibitor led to a reduction in the double layer capacitance and an increase in the charge transfer resistance. The high inhibition efficiency was attributed to the blocking of active sites by adsorption of inhibitor molecules on the steel surface. The adsorption of Bip1 on the carbon steel surface obeyed Langmuir adsorption isotherm. The inhibition mechanism was further corroborated by the values of activation parameters obtained from the experimental data.
引用
收藏
页码：10215 / 10232
页数：18
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