CobaltMaghrebV1, Maroc, Analysis, bibRecord, 000240

Effect of N-alkylbetaines on the corrosion of iron in 1 M HCI solution

Identifieur interne : 000240 ( Maroc/Analysis ); précédent : 000239; suivant : 000241

Effect of N-alkylbetaines on the corrosion of iron in 1 M HCI solution

Auteurs : N. Hajjaji [Maroc] ; I. Rico ; A. Srhiri [Maroc] ; A. Lattes ; M. Soufiaoui ; A. Ben Bachir [Maroc]

Source :

Corrosion : (Houston, Tex.) [ 0010-9312 ] ; 1993.

RBID : Pascal:93-0554319

Descripteurs français

Pascal (Inist)
- Inhibiteur corrosion, Fer, Hydrogène chlorure, pH, Composé organique, Milieu acide, Bétaïne, Cobalt Carbone Alliage, Potentiel corrosion, Effet concentration, Adsorption, Protection corrosion, Hydrogène Chlorure.
Wicri :
- topic : Fer.

English descriptors

KwdEn :
- Acid medium, Adsorption, Betaine, Cobalt Carbon Alloys, Concentration effect, Corrosion inhibitor, Corrosion potential, Corrosion protection, Hydrogen Chlorides, Hydrogen chlorides, Iron, Organic compounds, pH.

Abstract

Using potentiodynamic and transient electrochemical methods and weight loss shows that N-alkyltaines are good inhibitors of iron corrosion in HCl at concentrations around the critical micelle concentration (CMC). High corrosion inhibition is observed when medium pH value is lower than organic compound pKa. When the concentration is close to the CMC, the organic compounds operate on the anodic and cathodic process and a bimolecular layer is formed. The inhibiting etfect is reduced with an increase of medium pH value. This is explained by the complexing of NaBr with the zwitterionic form of organic compounds

Affiliations:

Maroc

Links toward previous steps (curation, corpus...)

to stream PascalFrancis, to step Corpus: 000371
to stream PascalFrancis, to step Curation: 000332
to stream PascalFrancis, to step Checkpoint: 000371
to stream Main, to step Merge: 001349
to stream Main, to step Curation: 001297
to stream Main, to step Exploration: 001297
to stream Maroc, to step Extraction: 000240

Links to Exploration step

Pascal:93-0554319

Le document en format XML

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<term>Concentration effect</term>
<term>Corrosion inhibitor</term>
<term>Corrosion potential</term>
<term>Corrosion protection</term>
<term>Hydrogen Chlorides</term>
<term>Hydrogen chlorides</term>
<term>Iron</term>
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<term>Composé organique</term>
<term>Milieu acide</term>
<term>Bétaïne</term>
<term>Cobalt Carbone Alliage</term>
<term>Potentiel corrosion</term>
<term>Effet concentration</term>
<term>Adsorption</term>
<term>Protection corrosion</term>
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<front><div type="abstract" xml:lang="en">Using potentiodynamic and transient electrochemical methods and weight loss shows that N-alkyltaines are good inhibitors of iron corrosion in HCl at concentrations around the critical micelle concentration (CMC). High corrosion inhibition is observed when medium pH value is lower than organic compound pKa. When the concentration is close to the CMC, the organic compounds operate on the anodic and cathodic process and a bimolecular layer is formed. The inhibiting etfect is reduced with an increase of medium pH value. This is explained by the complexing of NaBr with the zwitterionic form of organic compounds</div>
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Effect of N-alkylbetaines on the corrosion of iron in 1 M HCI solution

Effect of N-alkylbetaines on the corrosion of iron in 1 M HCI solution

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri