alexa Mitigation of Sulfide Attach on α-Brass Surface
ISSN: 2157-7048

Journal of Chemical Engineering & Process Technology
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Research Article

Mitigation of Sulfide Attach on α-Brass Surface by Using Sodium (Z)-4- Oxo-4-p-Tolyl-2-Butenoate

El-Shamy AM1*, Amal MA Elkarim1 and Atef Kalmouch2
1Physical Chemistry Department, Electrochemistry and Corrosion Lab, National Research Centre, El-Bohouth St. 33, Dokki, PO 12622, Giza, Egypt
2Peptide Chemistry Department, National Research Centre, El-Bohouth St. 33, Dokki, PO 12622, Giza, Egypt
Corresponding Author : El-Shamy AM
Physical Chemistry Department
Electrochemistry and Corrosion Lab
National Research Centre, El-Bohouth St. 33
Dokki, PO 12622, Giza, Egypt
Tel: 00201222846136
E-mail: [email protected]
Received January 14, 2016; Accepted February 07, 2016; Published February 13, 2016
Citation: El-Shamy AM, Elkarim MAA, Kalmouch A (2016) Mitigation of Sulfide Attach on α-Brass Surface by Using Sodium (Z)-4-Oxo-4-p-Tolyl-2-Butenoate. J Chem Eng Process Technol 7:273. doi:10.4172/2157-7048.1000273
Copyright: © 2016 El-Shamy AM, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
 

Abstract

The corrosion inhibition efficiency of α-brass was evaluated in unpolluted and sulfide polluted 3.5% NaCl. The Sodium (Z)-4-Oxo-4-p-Tolyl-2-Butenoate (SOTB) has been used as safe organic corrosion inhibitor instead of benzotriazole. The electrochemical methods were used to monitor the effect of inhibitor on corrosion inhibition of brass. The results showed that this inhibitor act as cathodic and anodic inhibitor for the surface of brass in both chloride and sulfide polluted medium. Brass electrodes were subjected to characterization by SEM and EDS to prove the probable mechanism. The inhibition efficiency and the persistence of protective film are depends on the inhibitor concentration in both chloride and sulfide media.

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