Corrosion Behaviour of Mild Steel in Sulphuric Acid Solution in Presence of Ceftazidime

被引：0

作者：

Singh, Ashish Kumar ^{[1
]}

Shukla, Sudhish Kumar ^{[1
]}

Quraishi, M. A.

机构：

[1] Banaras Hindu Univ, Inst Technol, Dept Chem, Varanasi 221005, Uttar Pradesh, India

来源：

INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2011年 / 6卷 / 11期

关键词：

Adsorption; corrosion; EIS; ceftazidime; mild steel; ADSORPTION PROPERTIES; INHIBITION; DERIVATIVES; IRON;

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：

The corrosion inhibition properties of ceftadizime (CZD) for mild steel corrosion in H2SO4 solution were analysed by electrochemical impedance spectroscopy (EIS), potentiodynamic polarization and gravimetric methods. Mixed mode of adsorption (Physisorption and chemisorption) is proposed for the inhibition and the process followed the Langmuir adsorption isotherm. The mechanism of adsorption inhibition and type of adsorption isotherm were proposed from the trend of inhibition efficiency with temperature, E-a and Delta G(ads)(o). Potentiodynamic polarization study clearly revealed that CZD acted as mixed type inhibitor. The experimental data showed a frequency distribution and therefore a modelling element with frequency dispersion behaviour and a constant phase element (CPE) have been used.

引用

页码：5802 / 5814

页数：13

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