Inhibition Behaviour of 2-[(2-Methylquinolin-8-yl) Oxy] Acetohydrazide on the Corrosion of Mild Steel in Hydrochloric Acid Solution

Kumari, Preethi; Shetty, Prakash; Rao, Suma; Sunil, Dhanya

doi:10.1007/s12666-016-0901-0

Cited by 19 publications

(12 citation statements)

References 31 publications

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“…Moreover as mentioned in the literature [28], if the E corr of inhibitor solution is displaced by a value lower than 85 mV in comparison with uninhibited solution, the molecule can act as both anodic and cathodic inhibitor. The obtained E corr value in case of CCA being shifted toward the lower side of 85 mV, confirmed that CCA acts as a mixed inhibitor type and has control over not only anodic metal dissolution, but cathodic hydrogen evolution also [26,29]. Besides, as observed from Table 1 the cathodic and anodic slope (β c and β a ) values did not show much change, which indicated that CCA influences the anodic and cathodic reaction kinetics without affecting the reaction mechanism [30].…”

Section: Potentiodynamic Polarization Studiessupporting

confidence: 62%

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Investigation of Anticorrosive Property of Carbazolecarbaldehyde Azine on Mild Steel Using Electrochemical, Morphological and Theoretical Studies

et al. 2020

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Mild steel (MS) is one among the extensively utilized materials in several industrial sectors, but prone to deterioration when exposed to acidic environment. The main focus of this study is to examine the corrosion inhibitive efficacy of 9-ethyl-3-carbazolecarboxaldehyde azine (CCA) on MS immersed in 0.5 M HCl medium. The corrosion inhibition efficiency of CCA which was investigated using potentiodynamic polarization (PDP) and electrochemical impedance spectroscopy (EIS) techniques improved with rise in temperature and inhibitor concentration. CCA showed a maximum inhibition efficiency of 92.4% at 323 K for 5 × 10–5 M concentration in 0.5 M HCl medium. The variation in the kinetic and thermodynamic parameters indicated chemisorption of CCA on MS, and its mixed-type inhibitive action followed Langmuir’s isotherm model. The infrared spectra provided evidences for the chemical interaction of CCA with MS specimen. Surface morphology evaluation using SEM and AFM in combination with elemental analysis using an energy dispersive X-ray analyser (EDX) indicated the creation of a protective adsorption layer of CCA on MS surface. The quantum chemical investigations performed using density functional theory (DFT) computations supplemented the experimental results, suggesting the potential corrosion inhibition behavior of CCA toward MS in aggressive HCl medium. Graphic Abstract

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Section: Potentiodynamic Polarization Studiessupporting

confidence: 62%

“…The relevant electrochemical properties such as percentage inhibition efficiency (% IE) and surface coverage (θ) are measured by means of following equations [26].…”

Section: Potentiodynamic Polarization Studiesmentioning

confidence: 99%

Investigation of Anticorrosive Property of Carbazolecarbaldehyde Azine on Mild Steel Using Electrochemical, Morphological and Theoretical Studies

et al. 2020

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“…Preethi Kumari et al 34 have evaluated the corrosion inhibition performance of 2-[(2-methylquinolin-8-yl)oxy]acetohydrazide (HD 47 ) in hydrochloric acid (0.5 & 1 M) media towards mild steel. The inhibition performance of HD 47 increased with its concentration.…”

Section: Inhibition Of Mild Steel Corrosionmentioning

confidence: 99%

Hydrazide Derivatives: An Overview of Their Inhibition Activity against Acid Corrosion of Mild Steel

Shetty¹

2018

S.Afr.j.chem.

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This paper gives an overview of the application of hydrazide derivatives in acid media as corrosion inhibitors of mild steel. In chemical and petrochemical industries, mild steel is the major constructional material widely used. Acid solutions have been commonly used in these industries as pickling agents to remove rust or any scale from the mild steel surface. The excessive dissolution of mild steel in such aggressive medium can be best controlled by addition of suitable organic inhibitors. Hydrazide derivatives are widely used in such applications as mild steel corrosion inhibitors. The various factors which influence the corrosion inhibition efficiency of different hydrazide derivatives have been discussed. The information provided is useful for various industries where corrosion inhibitors are needed to protect mild steel structures which are being exposed to hydrochloric or sulphuric acid solutions.

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“…Generally, the inhibitor compound's classification depends on its influence on the shifting of the corrosion potential (d Ecorr ) compared to its value without inhibitor (E corr ). If d Ecorr > 85 mV, the inhibitor is considered as an anodic or cathodic type, whereas if d Ecorr < 85mV, it is considered to be a mixed type 25,41 . In this study, d Ecorr = +73 mV to the anodic direction indicating that the 2,2'-bipyridyl inhibitor acts as a mixed inhibitor with mainly an anodic effect.…”

Section: Open Circuit Potentialmentioning

confidence: 99%

“…According to this model, the surface coverage θ is linked to the adsorption equilibrium constant K ads by the equation 41 .…”

Section: Open Circuit Potentialmentioning

confidence: 99%

Inhibition Effect of 2,2’-Bipyridyl on the Corrosion of Austenitic Stainless Steel in 0.5M H2 SO4

Gharbi¹,

Himour²,

Abderrahmane³

et al. 2018

Orient. J. Chem

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The corrosion inhibition of AISI309 austenitic stainless steel by 2,2'-Bipyridyl in 0.5M H 2 SO 4 at 298K was studied using the mass loss' method, the potentiodynamic polarization (Tafel), the linear polarization (LRP) and the electrochemical impedance spectroscopy (EIS). The results showed a mixed inhibition mode and an increase in the charge transfer resistance, due to inhibitor molecules' adsorption at steel surface. This latter obeys to Langmuir isotherm. The observation by scanning electron microscopy (SEM) and the analysis by energy dispersion spectrometry (EDS) confirm an inhibitor film's presence. The calculated inhibition efficiencies are in accordance with 87.78% maximum value.

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Inhibition Behaviour of 2-[(2-Methylquinolin-8-yl) Oxy] Acetohydrazide on the Corrosion of Mild Steel in Hydrochloric Acid Solution

Cited by 19 publications

References 31 publications

Investigation of Anticorrosive Property of Carbazolecarbaldehyde Azine on Mild Steel Using Electrochemical, Morphological and Theoretical Studies

Investigation of Anticorrosive Property of Carbazolecarbaldehyde Azine on Mild Steel Using Electrochemical, Morphological and Theoretical Studies

Hydrazide Derivatives: An Overview of Their Inhibition Activity against Acid Corrosion of Mild Steel

Inhibition Effect of 2,2’-Bipyridyl on the Corrosion of Austenitic Stainless Steel in 0.5M H2 SO4

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