Thermometric Method for the Estimation of the Rate of Dissolution of Steel in Nitric Acid: A Limitation

El-Basiouny, M. S.; Elnagdi, Mohamed H.; Ismail, Ahmad Ramdan

doi:10.1179/000705976798319793

Cited by 7 publications

(1 citation statement)

References 4 publications

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“…The factors affecting the dissolution and the passivation processes are not fully understood [4]. The effect of various inhibitors on the corrosion of iron in acid media has been studied [12][13][14][15][16][17][18][19][20]. Thus Ammar et al have studied the passivation of iron and the effect of some anions, e.g.…”

Section: Introductionmentioning

confidence: 99%

Effect of Some Substituted Anilines on the Corrosion of Iron in Nitric Acid Solutions

Al‐Suhybani¹,

Al‐Hwaidi²

1994

Anti-Corrosion Methods and Materials

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Section: Introductionmentioning

confidence: 99%

Effect of Some Substituted Anilines on the Corrosion of Iron in Nitric Acid Solutions

Al‐Suhybani¹,

Al‐Hwaidi²

1994

Anti-Corrosion Methods and Materials

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Inhibition of copper corrosion in 1M nitric acid with benzoyl benzaldehyde hydrazone derivatives

El‐Shafel

Mostafa

Fouda

et al. 1995

Materials & Corrosion

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The effect of substituted benzoyl benzaldehyde hydrazone derivatives on the inhibition of copper corrosion in 1M nitric acid solution at 303 K was investigated by potentiodynamic and weight-loss measurements. A significant decrease in the corrosion rate of copper was observed in the presence of the investigated compounds. The corrosion rate was found to depend on the nature and the concentration of the inhibitors. The Tafel slope is approximately constant independent of the concentration of the inhibitor. The observed corrosion data indicate that the inhibition of copper corrosion is due to surface adsorption of inhibitor molecules which follow the Langmuir adsorption isotherm. The results of potentiodynamic measurements indicate that all investigated compounds act mainly cathodically.Die Wirkung von Benzoylbenzaldehydhydrazinderivaten auf die Inhibierung der Kupferkorrosion in 1M Salpetersaure-Losungen bei 303 K wurde mit Hilfe potentiodynamischer und Massenverlustmessungen untersucht. Bei Zugabe der verwendeten Substanzen ergab sich eine deutliche Abnahme der Korrosionsgeschwindigkeit des Kupfers. Die Korrosionsgeschwindigkeit hangt dabei von der Beschaffenheit und der Konzentration des Inhibitors ab. Die Neigung der Tafelgeraden ist unabhangig von der Konzentration des Inhibitors annahernd konstant. Die ermittelten Korrosionsdaten deuten an, dal3 die Inhibierung der Rupferkorrosion auf die Oberflachenadsorption der lnhibitormolekiile zuriickgefiihrt werden kann, die der Langmuir-Adsorptions-Isotherme folgen. Die Ergebnisse der potentiodynamischen Messungen lassen darauf schlie-Ben, daB alle untersuchten Substanzen im wesentlichen kathodisch wirken.

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Influence of anions on the performance of isomers of aminobenzoic acid on the corrosion inhibition and hydrogen permeation through mild steel in acidic solutions

et al. 1996

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Thermometric Method for the Estimation of the Rate of Dissolution of Steel in Nitric Acid: A Limitation

Cited by 7 publications

References 4 publications

Effect of Some Substituted Anilines on the Corrosion of Iron in Nitric Acid Solutions

Effect of Some Substituted Anilines on the Corrosion of Iron in Nitric Acid Solutions

Inhibition of copper corrosion in 1M nitric acid with benzoyl benzaldehyde hydrazone derivatives

Influence of anions on the performance of isomers of aminobenzoic acid on the corrosion inhibition and hydrogen permeation through mild steel in acidic solutions

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