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Anti-Corrosion Methods and Materials
ISSN: 0003-5599
Online from: 1954
Subject Area: Mechanical & Materials Engineering
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N-3-hydroxyl-2-naphthoyl hydrazone derivatives as inhibitors for corrosion of carbon steel in H2 SO4 acid solution
| Title: | N-3-hydroxyl-2-naphthoyl hydrazone derivatives as inhibitors for corrosion of carbon steel in H |
|---|---|
| Author(s): | A.S. Fouda, (Chemistry Department, Faculty of Science, Mansoura University, El-Mansoura, Egypt), S.A. EL-Sayyad, (Chemistry Department, Faculty of Science, Mansoura University, El-Mansoura, Egypt), M. Abdallah, (Chemistry Department, Faculty of Applied Science, Umm Al-Qura University, Makkah Al Mukaramha, Saudi Arabia) |
| Citation: | A.S. Fouda, S.A. EL-Sayyad, M. Abdallah, (2011) "N-3-hydroxyl-2-naphthoyl hydrazone derivatives as inhibitors for corrosion of carbon steel in H |
| Keywords: | Corrosion inhibitors, Steels, Sulphuric acid |
| Article type: | Research paper |
| DOI: | 10.1108/00035591111110705 (Permanent URL) |
| Publisher: | Emerald Group Publishing Limited |
| Abstract: | Purpose – The purpose of this paper is to investigate the inhibiting properties of four N-3-hydroxyl-2-naphthoyl hydrazone derivatives in 0.5?M H Design/methodology/approach – The effect of various parameters on the behavior of these inhibitors has been studied using the weight loss and polarization measurements. Findings – The inhibiting action of the investigated compounds depends primarily on their concentration and molecular size. The compounds act as mixed type inhibitors and function via adsorption on carbon steel surface, which follows Frumkin adsorption isotherm. The addition of KI, KBr and KSCN to N-3-hydroxyl-2-naphthoyl hydrazone derivatives had a synergistic effect in enhancing the efficiency of corrosion inhibition. Originality/value – This paper provides useful information regarding inhibition effect of N-3-hydroxyl-2-naphthoyl hydrazone derivatives and clarifies the role of the molecular structure and substituents on the inhibition efficiency of these investigated compounds on the corrosion of carbon steel in acidic solutions. |
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