Composite of Indium and Polysorbate 20 as Inhibitor for Zinc Corrosion in Alkaline Solution

The combined use of indium and polysorbate 20 (Tween 20) was considered as a new inhibition technique for zinc corrosion. Zn and Zn-In alloy coatings were prepared by electrodeposition and their morphology and composition were characterized by scanning electron microscopy (SEM) and inductively coupl...

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Bibliographic Details
Published inBulletin of the Korean Chemical Society Vol. 33; no. 5; pp. 1566 - 1570
Main Authors Li, Xiaoping, Liang, Man, Zhou, Hebing, Huang, Qiming, Lv, Dongsheng, Li, Weishan
Format Journal Article
LanguageKorean
Published 2012
Subjects
Polysorbate 20
Corrosion inhibition
Indium
Zinc
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Summary:The combined use of indium and polysorbate 20 (Tween 20) was considered as a new inhibition technique for zinc corrosion. Zn and Zn-In alloy coatings were prepared by electrodeposition and their morphology and composition were characterized by scanning electron microscopy (SEM) and inductively coupled plasma atomic emission spectrometry (ICP-AES). The corrosion inhibition effect of indium and Tween 20 on zinc was investigated by polarization curves and electrochemical impedance spectroscopy (EIS). The corrosion inhibition efficiencies obtained from Tafel and EIS analyses are well in agreement. Zinc corrosion can be inhibited to some extent by the individual use of indium and Tween 20 and higher corrosion inhibition efficiency can be obtained by the combined use of indium and Tween 20.
Bibliography:KISTI1.1003/JNL.JAKO201215657176915
ISSN:0253-2964
1229-5949