Experimental and computational investigation on the corrosion inhibition characteristics of mild steel by some novel synthesized imines in hydrochloric acid solutions

El‐Lateef, Hany M. Abd

doi:10.1016/j.corsci.2014.11.040

Cited by 198 publications

(67 citation statements)

References 64 publications

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“…Therefore, CoPTM molecules showed greater inhibition efficiencies ( %) in comparison to PTM molecules due to more binding capability with the metal. Additionally, as El-Lateef [43] stated that the large size and high molecular weight of a molecule can contribute to the greater inhibitory efficiency. So it cannot be decided to the interaction type of the molecules according to the present experimental findings.…”

Section: Inhibition Mechanismmentioning

confidence: 98%

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A comparative study of the corrosion inhibition of low carbon steel in HCl solution by an imine compound and its cobalt complex

2015

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Section: Inhibition Mechanismmentioning

confidence: 98%

“…There are many adsorption isotherms that give the relationship between the coverage of the metal surface and concentration of adsorbed species [ 43 ]. Langmuir adsorption isotherm is known as the most popular of them and can be expressed as follows [37]:…”

Section: Adsorption Isotherm and Thermodynamic Parametersmentioning

confidence: 99%

A comparative study of the corrosion inhibition of low carbon steel in HCl solution by an imine compound and its cobalt complex

2015

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“…The use of inhibitors is one of the most proficient methods for protection of metals from corrosion in acid medium. Organic compounds containing N, O, S heteroatoms and p electrons in their molecules are considered as effective corrosion inhibitors [2][3][4][5]. The inhibitor molecules form a protective film on metal surface that prevents corrosion [7].…”

Section: Introductionmentioning

confidence: 99%

“…[2]. Acidic media results in a uniform corrosion of mild steel with pitting at high concentrations of acid [3][4][5][6]. The use of inhibitors is one of the most proficient methods for protection of metals from corrosion in acid medium.…”

Section: Introductionmentioning

confidence: 99%

Expired atorvastatin drug as corrosion inhibitor for mild steel in hydrochloric acid solution

et al. 2017

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The application of expired drugs as corrosion inhibitors provides a cost effective and environmentally benign alternative to otherwise tedious and costly disposal/ degradation process. In this context, we herein investigate the use of expired atorvastatin (EA) for corrosion inhibition of mild steel in 1 M HCl solution using weight loss, electrochemical impedance spectroscopy (EIS), and potentiodynamic polarization (Tafel) methods. Fresh atorvastatin (FA) drug was also used for above studies for comparison purpose to understand whether there is any significant difference between the inhibition efficiency of the two after the expiration date of the drug. EIS analysis shows an increase in polarization resistance due to the adsorbed inhibitor molecules on metal surface. Potentiodynamic polarization indicates that both the EA and FA act as mixed-type inhibitors but predominantly behave as cathodic inhibitors. The adsorption of EA and FA on mild steel surface follows the Langmuir adsorption isotherm. SEM shows a smoother surface of mild steel in the presence of FA and EA drug in acidic solution. Both the fresh drug and its expired counterpart showed almost similar results in all the studies, thereby verifying the validity of the expired atorvastatin drug as a novel and efficient corrosion inhibitor for mild steel.

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“…It was concluded that addition of VitB1 and VitC in the acidic solution act as green inhibitors on the mild steel, and significantly promoted its resistance to corrosive degradation. The electrochemical parameters (Table 3) were obtained by analyzing the I/E data as described elsewhere 44 .…”

Section: Potentiodynamic Polarization Measurementsmentioning

confidence: 99%

Investigation of Corrosion Inhibition of Vitamins B1 and C on Mild Steel in 0.5 M HCl Solution: Experimental and Computational Approach

Ahmed¹

2016

Orient. J. Chem

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Corrosion inhibition behavior of Ascorbic acid (AA) vitamin C and Thiamine (Th) vitamin B1 on mild steel corrosion in 0.5 M HCl was investigated at various immersion times. The electrochemical characteristics of mild steel in absence and presence of the inhibitors were verified by the cyclic voltammetry method. The protective properties of the passive film were acquired by electrochemical impedance spectroscopy. The best inhibitive performance was obtained for VitB1. The polarization curves indicated the high inhibition efficiency of the inhibitors. The existence of a protective film on mild steel was confirmed by SEM techniques. Computational chemistry was carried out to establish the mechanism of corrosion inhibition.

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Experimental and computational investigation on the corrosion inhibition characteristics of mild steel by some novel synthesized imines in hydrochloric acid solutions

Cited by 198 publications

References 64 publications

A comparative study of the corrosion inhibition of low carbon steel in HCl solution by an imine compound and its cobalt complex

A comparative study of the corrosion inhibition of low carbon steel in HCl solution by an imine compound and its cobalt complex

Expired atorvastatin drug as corrosion inhibitor for mild steel in hydrochloric acid solution

Investigation of Corrosion Inhibition of Vitamins B1 and C on Mild Steel in 0.5 M HCl Solution: Experimental and Computational Approach

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