Corrosion inhibition of iron in hydrochloric acid using pyrazole

Abdel-Rehim, S.S.; Khaled, K.F.; Al-Mobarak, N.A.

doi:10.1016/j.arabjc.2010.06.056

Cited by 37 publications

(13 citation statements)

References 13 publications

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“…The double‐layer capacity is similar to the impedance due to charge transfer reaction. Some recent literary works also show execution of similar figures for the acidic corrosion of iron and steel in the presence and absence of inhibitor molecules . In the same way formed, impedance spectra for MS in 1 M HCl were noticed with a HF capacitive loop and LF inductive loop.…”

Section: Resultsmentioning

confidence: 99%

“…Some recent literary works also show execution of similar figures for the acidic corrosion of iron and steel in the presence and absence of inhibitor molecules. [38,39] In the same way formed, impedance spectra for MS in 1 M HCl were noticed with a HF capacitive loop and LF inductive loop. The HF capacitive loop is usually related to the charge transfer and reaction time constant of the electric double layer, which may be linked to the development of surface film at HFs.…”

Section: Electrochemical Impedance Spectroscopymentioning

confidence: 99%

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Tetrazolo[1,5-a]quinoline-4-carbaldehyde and its Schiff base on mild steel as corrosion inhibitor in 1 M HCl solution: electrochemistry, theoretical and SEM surface analysis

Mistry

Sahoo

Kim

et al. 2015

Surf. Interface Anal.

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The corrosion inhibition impact of two quinoline derivatives, viz tetrazolo [1,5‐a] quinoline‐4‐carbaldehyde (TQC) and (Z) −5‐methyl‐N‐(tetrazolo [1,5‐a] quinolin‐4‐ylmethylene) thiazol‐2‐amine (MTQT), has been examined against mild steel in 1 M HCl solution using conventional weight loss, potentiodynamic polarization, linear polarization, electrochemical impedance spectroscopy, quantum chemical, and scanning electron microscopic studies. The experimental results have showed that TQC and MTQT revealed a good corrosion inhibition and that the inhibition efficiency increases with the increase of concentration of inhibitor to attain 94.54% for TQC and 99.25% for MTQT at 25 ppm. Polarization measurements suggest that TQC and MTQT act as a mixed‐type inhibitor. A synergism between inhibitors can be observed by polarization measurements. Electrochemical impedance spectroscopy measurements show an increase of the transfer resistance with the inhibitor concentration. Adsorption of TQC and MTQT on the mild steel surfaces in 1 N HCl solution follows the Langmuir adsorption isotherm model. Furthermore, quantum chemical calculations have been conducted using B3LYP functional and 6‐31G(d,p) basis set to complement the experimental evidences. Copyright © 2015 John Wiley & Sons, Ltd.

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Section: Resultsmentioning

confidence: 99%

Section: Electrochemical Impedance Spectroscopymentioning

confidence: 99%

Tetrazolo[1,5-a]quinoline-4-carbaldehyde and its Schiff base on mild steel as corrosion inhibitor in 1 M HCl solution: electrochemistry, theoretical and SEM surface analysis

Mistry

Sahoo

Kim

et al. 2015

Surf. Interface Anal.

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“…For this reason, scientists have tended to solve this major problem in different ways, and one of these ways is the use of corrosion inhibitors. [1][2][3][4][5] Several synthetic organic molecules [6][7][8][9][10][11][12][13][14][15][16][17][18][19][20] were utilized to inhibit the corrosion of iron and steel in strong acidic media. Usually, these molecules containing heteroatoms and multiple bonds.…”

Section: Introductionmentioning

confidence: 99%

Enhancing the inhibition and adsorption performance of SABIC iron corrosion in sulfuric acid by expired vitamins. Experimental and computational approach

et al. 2021

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“…The effectiveness of pyrazole derivatives (N-heterocyclic compounds) as a corrosion inhibitors for carbon steel in hydrochloric acid media has been reported [17][18][19].The purpose of this study is to study the inhibiting action of the investigated pyrazole compounds on the corrosion behavior of carbon steel in 1 M HCl solution using various techniques.…”

Section: Introductionmentioning

confidence: 99%

Some pyrazole derivatives as corrosion inhibitors for carbon steel in hydrochloric acid solutions

Motawea

Abdelaziz

2015

Eur. J. Chem.

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Two pyrazole derivatives, namely 2,4-diamino-5-(5-amino-3-hydroxy-1H-pyrazole-1-carbonyl)thiophene-3-carbonitrile (I) and 1-(2,4-diamino-5-(5-amino-3-hydroxy-1H-pyrazole-1-carbonyl)thiophen-3-yl)propan-1-one (II) were evaluated as a corrosion inhibitors for carbon steel in 1M hydrochloric acid by weight loss, potentiodynamic polarization and electrochemical impedance spectroscopy methods. Spectrophotometric and conductometric titration methods were also utilized to investigate the possibilities of chemical adsorption between the steel surface and the compounds under consideration. The results showed that the studied compounds inhibit the corrosion of steel in acidic solution at different temperatures. The adsorption followed the Langmuir isotherm. The thermodynamic and the activation parameters were also determined and discussed.

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Corrosion inhibition of iron in hydrochloric acid using pyrazole

Cited by 37 publications

References 13 publications

Tetrazolo[1,5-a]quinoline-4-carbaldehyde and its Schiff base on mild steel as corrosion inhibitor in 1 M HCl solution: electrochemistry, theoretical and SEM surface analysis

Tetrazolo[1,5-a]quinoline-4-carbaldehyde and its Schiff base on mild steel as corrosion inhibitor in 1 M HCl solution: electrochemistry, theoretical and SEM surface analysis

Enhancing the inhibition and adsorption performance of SABIC iron corrosion in sulfuric acid by expired vitamins. Experimental and computational approach

Some pyrazole derivatives as corrosion inhibitors for carbon steel in hydrochloric acid solutions

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