Expired Voltaren Drugs as Corrosion Inhibitor for Aluminium in Hydrochloric Acid

被引：0

作者：

Hameed, R. S. Abdel ^{[1
,3
]}

Ismail, E. A. ^{[2
]}

Abu-Nawwas, A. H. ^{[3
,4
]}

Al-Shafey, Hussin I. ^{[2
]}

机构：

[1] Al Azhar Univ, Fac Sci, Dept Chem, Cairo 11884, Egypt

[2] Egyptian Petr Res Inst, Nasr City 11727, Cairo, Egypt

[3] Hail Univ, Coll Sci, Dept Chem, Hail 1560, Ksa, Saudi Arabia

[4] Univ Manchester, Sch Chem, Manchester M13 9PL, Lancs, England

来源：

INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2015年 / 10卷 / 03期

关键词：

Corrosion Inhibitor; Adsorption isotherm; Drugs; 2-(2; 6-dichloranilino) phenylacetic acid; Aluminum; Polarization; MILD-STEEL; ADSORPTION;

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 effectiveness of Expired Voltaren (EV) drug as corrosion inhibitor for aluminium in 1 M HCl was investigated by weight loss and electrochemical methods. Polarization curves revealed that the inhibiting action of the EV is mixed-type. The addition of the inhibitor molecules shifted the corrosion potential (E-corr) to more noble direction. The influence of temperature on the adsorption of inhibitor onto aluminium surface has been reported. Activated thermodynamic parameters were computed and discussed. The adsorption of the EV was found to obey the Langmuir adsorption isotherm. The inhibition efficiency of expired Voltaren, EV obtained by all methods was in good agreement with each other.

引用

页码：2098 / 2109

页数：12

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