Inhibitory effect of xanthan gum and synergistic surfactant additives for mild steel corrosion in 1 M HCl

Mobin, Mohammad; Rizvi, Marziya

doi:10.1016/j.carbpol.2015.09.027

Cited by 126 publications

(47 citation statements)

References 40 publications

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“…It can be noted that the polarization curves are shifted towards more positive potentials, revealing that castor bark powder acts as mixed inhibitor with slight anodic predominance. Similar behaviours were found in the literature for CS in acidic solutions in the presence of green inhibitors 2,9,16,57 . The anodic curves (Fig.…”

Section: Potentiodynamic Polarization Curvessupporting

confidence: 89%

Evaluation of Castor Bark Powder as a Corrosion Inhibitor for Carbon Steel in Acidic Media

et al. 2017

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The inhibition effect of castor bark powder obtained from Ricinus communis on AISI 1020 carbon steel in acidic media (HCl 0.5 mol.L -1 ) has been studied by electrochemical impedance spectroscopy (EIS), polarization curves, scanning vibrating electrode technique (SVET) and weight loss measurements. Fourier transform infrared spectroscopy (FTIR) and scanning electron microscopy (SEM) were employed as characterization techniques. The EIS and gravimetric results showed that the inhibitory efficiency increases with inhibitor concentration achieving 83%. Polarization curves indicated that the castor bark powder acts as mixed inhibitor. The adsorption of the powder components on the metal surface follows the Langmuir isotherm. The FTIR analyses indicate the presence of C, N and O heteroatoms, incorporated in functional groups mainly related to the presence of carboxylic acids as ricinoleic acid, which could be responsible for the inhibitory properties of the powder. SEM analyses showed that the corrosion process was retarded in the presence of inhibitor in the electrolyte, which was confirmed by SVET measurements. Therefore, the results indicate that castor bark powder has potential to be a corrosion inhibitor for carbon steel in acidic media.

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Section: Potentiodynamic Polarization Curvessupporting

confidence: 89%

Evaluation of Castor Bark Powder as a Corrosion Inhibitor for Carbon Steel in Acidic Media

et al. 2017

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“…22,23 A survey of the literature suggests that the presence of halide ions in an acidic medium can synergistically increase the inhibition effect of some organic compounds including amino acids. [26][27][28] The compounds have been shown to interact with the surfactants covering a larger surface area and resulting in a high inhibition effect. 24,25 Only recently have a few works directed towards the synergy between the different organic compounds and surfactants appeared in the literature.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of l-tyrosine mixed with sodium dodecyl sulphate or cetyl pyridinium chloride as a corrosion inhibitor for mild steel in 1 M HCl: experimental and theoretical studies

2016

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The inhibition effect of L-tyrosine (Tyr) and Tyr mixed with sodium dodecyl sulphate (Tyr + SDS) or cetyl pyridinium chloride (Tyr + CPC) on mild steel (MS) corrosion in 1 M HCl at temperatures of 30, 40, 50 and 60 C was studied employing gravimetric analysis, electrochemical impedance spectroscopy (EIS), potentiodynamic polarization measurements, scanning electron microscopy (SEM), Fourier transform infra red (FTIR), UV-visible spectroscopy and theoretical calculations. The concentration of Tyr was varied between 10 and 200 ppm, whereas that of CPC or SDS was fixed at 5 ppm. Tyr inhibits the corrosion rates of MS to a considerable extent. The inhibition efficiency of Tyr is synergistically enhanced on adding SDS or CPC at all concentrations. The change in the impedance parameters indicated that Tyr and Tyr + SDS/CPC acted by adsorption at the MS/solution interface. Distinctively different surface morphologies for uninhibited and inhibited MS specimens verified the formation of an adsorbed protective covering at the surface of MS. Tyr alone and in combination with SDS or CPC acts as mixed type inhibitor and adsorbed on the MS surface in accordance with the Langmuir adsorption isotherm.The inhibition efficiencies of Tyr or Tyr mixed with SDS or CPC obtained by weight loss, EIS and potentiodynamic polarization measurements are in good agreement and find support from theoretical quantum chemical parameters.

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“…It is noted that the addition of PTQ8 has the effect of reducing both anodic and cathodic currents and small variations in the E corr value, indicating that PTQ8 is a mixed type inhibitor. Thus, the nature of polarization curves indicates that the inhibitor influence both the anodic and cathodic reactions resulting in delay of anodic dissolution of metal and cathodic hydrogen evolution reaction through blocking the active reaction sites on metal surface while in the activation energy barriers of anodic and cathodic reactions, no change occurs [24,25]. This means that the hydrogen evolution reaction on the mild steel surface follows a charge transfer mechanism.…”

Section: Weight Loss Measurementsmentioning

confidence: 99%

Experimental and theoretical studies of 5-((4-phenyl-4,5-dihydro-1H-tetrazol-1-yl)methyl)-quinolin-8-ol quinoline derivative as effective corrosion inhibitor for mild steel 1.0 HCl

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Faydy²,

Rouifi³

et al. 2018

jmes

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Inhibitory effect of xanthan gum and synergistic surfactant additives for mild steel corrosion in 1 M HCl

Cited by 126 publications

References 40 publications

Evaluation of Castor Bark Powder as a Corrosion Inhibitor for Carbon Steel in Acidic Media

Evaluation of Castor Bark Powder as a Corrosion Inhibitor for Carbon Steel in Acidic Media

Evaluation of l-tyrosine mixed with sodium dodecyl sulphate or cetyl pyridinium chloride as a corrosion inhibitor for mild steel in 1 M HCl: experimental and theoretical studies

Experimental and theoretical studies of 5-((4-phenyl-4,5-dihydro-1H-tetrazol-1-yl)methyl)-quinolin-8-ol quinoline derivative as effective corrosion inhibitor for mild steel 1.0 HCl

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