Adsorption and Corrosion inhibition of Azadirachta indica Gum with Zn2+/Ni2+ cations on Mild Steel in 1 mol L-1 HCl

被引：2

作者：

Brindha, T. ^{[1
]}

Mallika, J. ^{[1
]}

机构：

[1] PSG Coll Arts & Sci, Dept Chem, Coimbatore 641014, Tamil Nadu, India

来源：

ORIENTAL JOURNAL OF CHEMISTRY | 2015年 / 31卷 / 02期

关键词：

Corrosion inhibition; Electrochemical techniques; Metal cations; Mild steel;

D O I：

10.13005/ojc/310216

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

This work deals with synergistic corrosion inhibition efficiency of Azadirachta indica gum and metal cations (Zn2+ and Ni2+) on mild steel in 1 mol L-1 HCl using gravimetric, potentiodynamic polarization and electrochemical impedance spectroscopic methods. The effect of temperature (303 - 348 +/- 1 K) and immersion time (1, 2, 3, 4, 6 and 24 h) on the inhibition of corrosion has also been studied. Corrosion kinetic parameters were calculated and discussed in detail. It obeys Langmuir adsorption isotherm. The interaction of inhibitors with the mild steel surface has been established by Fourier transform infrared spectroscopy.

引用

页码：741 / 752

页数：12

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