Inhibiting effect of Quaternary ammonium compound on the corrosion of mild steel in 1M Hydrochloric acid solution, its adsorption and kinetic characteristics

Prathibha, B.S.; Nagaswarupa, H.P.; Kotteeswaran, P.; Bheemaraju, V.

doi:10.1016/j.matpr.2017.09.156

Cited by 12 publications

(7 citation statements)

References 14 publications

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“…The adsorption of the organic inhbitor to the metal surface can be explained more clearly by the PZC, which is the case where the electric charge density on the surface is zero. The net charge of the metallic surface is calculated by the following formula using EIS measurements [35,36]:…”

Section: Eis Lpr and Potentiodynamic Polarization Experimentsmentioning

confidence: 99%

The Inhibitor Effect of (E)-5-[(4-(benzyl(methyl)amino)phenyl)diazenyl]-1,4-dimethyl-1H-1,2,4-triazol-4-ium zinc(II) Chloride, an Industrial Cationic Azo Dye, onto Reducing Acidic Corrosion Rate of Mild Steel

Özkır

Kayakırılmaz

2020

J. Electrochem. Sci. Technol

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This study covers the stages of testing whether the azo dye with chemical name (E)-5-[(4-(benzyl(methyl)amino)phenyl)diazenyl]-1,4-dimethyl-1H-1,2,4-triazol-4-ium zinc (II) chloride (DMT), known as Maxilon Red GRL in the dye industry, can be used as an anticorrosive feasible inhibitory agent, especially in industrial areas other than carpet, yarn and fibre dyeing. These test stages consist of the electrochemical measurement techniques such as potentiodynamic polarization, electrochemical impedance spectroscopy (EIS) and linear polarization resistance (LPR) for diverse concentrations and durations. The adsorption of the viewed DMT molecule on the mild steel surface obeyed the Langmuir isotherm. The zero charge potential (PZC) of mild steel was also found to assess the inhibition mechanism in containing DMT solution. The inhibition performance of DMT on the mild steel in a 1.0 M HCl solution was also investigated using methods such as metal microscope, atomic force microscope (AFM) and field emission scanning electron microscope (FE-SEM).

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Section: Eis Lpr and Potentiodynamic Polarization Experimentsmentioning

confidence: 99%

The Inhibitor Effect of (E)-5-[(4-(benzyl(methyl)amino)phenyl)diazenyl]-1,4-dimethyl-1H-1,2,4-triazol-4-ium zinc(II) Chloride, an Industrial Cationic Azo Dye, onto Reducing Acidic Corrosion Rate of Mild Steel

Özkır

Kayakırılmaz

2020

J. Electrochem. Sci. Technol

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“…It also depends on parameters such as the type and charge of the metal. The charge of the metal surface can be determined by comparing the open circuit potential (Ecorr) of the metal with the zero-charge potential (Epzc) (Prathibha et al, 2017). To determine the surface charge of the mild steel electrode, EIS measurements of different potentials were made in 1.0 M HCl solution containing 0.05% (w/v) moss extract and the Rp values measured were plotted against the potential in Figure 4.…”

Section: The Surface Charge Of Mild Steelmentioning

confidence: 99%

A New Inhibitor Approach to the Corrosion of Mild Steel in Acidic Solution with Long-Term Impedance Tests: A New Application Area for Hypnum cupressiforme (Bryophyta)

Özkır

Ezer

2020

Anatolian Bryology

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The most important aspect of this study is that the effect of Hypnum cupressiforme Hedw. which is a bryophyte species as a "green inhibitor" on the corrosion behavior of mild steel in 1.0 M HCl solution at 298 K is being examined for the first time. The inhibitory effect of moss extract was investigated applying the electrochemical impedance spectroscopy (EIS) technique. Nyquist diagrams were performed by EIS to examine the variation of the different concentrations of the extract with some immersion-time parameters. Also, the surface charge of the metal in terms of the inhibition mechanism was determined by the EIS technique and as a result, it was found that the protonated inhibitor molecules were adsorbed directly onto the metal surface. The surface morphology studies of working electrodes were performed using field emission scanning electron microscope (FESEM) and optical metal microscopy techniques. Electrochemical tests and surface analysis studies support each other.

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“…It is also possible to add useful information by using the PM3 level of calculations to give a clear picture about the nature of the molecular complexes' systems. Scheme 3 shows the self-organization of [Fe (L5) 2 8 ] +2 molecular complexes' systems and their components. In other words, scheme 3 depicts that non uniform electron's density for all suggested molecular modeling systems is caused by changes in all kinds of energies (see Table 3).…”

Section: Figure 2 Energetically Stable Conformations Of the Suggestementioning

confidence: 99%

“…Schiff bases found interest applications as corrosion inhibitors in carbon steels [3,4], and other metals [5,6]. Literature has revealed that alkyl quaternary ammonium compounds are important as inhibitor additives in acidic media to reduce the corrosion process of iron and steel [7,8]. …”

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confidence: 99%

Experimental and Theoretical Study of Some N-pyridinium Salt Derivatives as Corrosion Inhibitors for Mild-steel in 1 M H2SO4

Shihab¹,

Mahmood²

2017

Port. Electrochim. Acta

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N-pyridinium salt derivatives (1), (2), (3), (4) and (5) were prepared and their inhibition effect as corrosion inhibitors for mild steel was investigated in 1 M H 2 SO 4 solution at 30 o C for 24 hs. The corrosion inhibiting action was studied using weight loss measurements. The results have revealed that the corrosion rate decreases, inhibition efficiencies increase and surface coverage degree increases with a higher inhibitor's concentration. Inhibition efficiencies for prepared N-pyridinium salt derivatives have the highest inhibiting efficiency even for a low concentration. The values of ∆G o ads are showing physisorption effect for all prepared compounds. Molecular modeling systems were achieved for the suggested inhibitors (1), (2), (3), (4) and (5). Theoretical calculations could be used as a useful tool to obtain information for explaining the mechanism and nature of interaction between the metal surface and the organic molecule as a corrosion inhibitor.Keywords: corrosion inhibitor, inhibition efficiencies, physisorption, molecular modeling. IntroductionCorrosion of materials has kept getting significance in the wide fields of technology. Corrosion inhibition researches are assiduous to find variant and efficient ways of protecting the metals against corrosion. The mechanistic basis of corrosion inhibitors depends on the specific interaction between certain atoms in the inhibitors with the corroded sites on the metal surface. These atoms, such as nitrogen, oxygen and sulphur have a main role in this interaction via donating their free electron pairs [1,2]. Schiff bases found interest applications as corrosion inhibitors in carbon steels [3,4], and other metals [5,6]. Literature has revealed that alkyl quaternary ammonium compounds are important as inhibitor additives in acidic media to reduce the corrosion process of iron and steel [7,8].

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Inhibiting effect of Quaternary ammonium compound on the corrosion of mild steel in 1M Hydrochloric acid solution, its adsorption and kinetic characteristics

Cited by 12 publications

References 14 publications

The Inhibitor Effect of (E)-5-[(4-(benzyl(methyl)amino)phenyl)diazenyl]-1,4-dimethyl-1H-1,2,4-triazol-4-ium zinc(II) Chloride, an Industrial Cationic Azo Dye, onto Reducing Acidic Corrosion Rate of Mild Steel

The Inhibitor Effect of (E)-5-[(4-(benzyl(methyl)amino)phenyl)diazenyl]-1,4-dimethyl-1H-1,2,4-triazol-4-ium zinc(II) Chloride, an Industrial Cationic Azo Dye, onto Reducing Acidic Corrosion Rate of Mild Steel

A New Inhibitor Approach to the Corrosion of Mild Steel in Acidic Solution with Long-Term Impedance Tests: A New Application Area for Hypnum cupressiforme (Bryophyta)

Experimental and Theoretical Study of Some N-pyridinium Salt Derivatives as Corrosion Inhibitors for Mild-steel in 1 M H2SO4

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