Indirect radiotracer study of the adsorption of corrosion inhibitors on hematite

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6 Citations (Scopus)

Abstract

The specific adsorption of corrosion inhibitors (inorganic and organic compounds) was studied at a metal oxide (hematite) in 0.5 mol dm-3 NaClO4 solution by an indirect radiotracer technique. This indirect radiotracer technique is based upon the application of labeled indicator species, which were sulfate species at a concentration of 2x10-4 tool dm-3. The displacement of sulfate species was found in all the cases studied. The order of the inhibition efficiency of the corrosion inhibitor molecules is in good agreement with the order of their adsorbabilities.

Original languageEnglish
Pages (from-to)253-258
Number of pages6
JournalJournal of Solid State Electrochemistry
Volume6
Issue number4
DOIs
Publication statusPublished - May 2002

Fingerprint

Hematite
Corrosion inhibitors
hematite
inhibitors
Sulfates
sulfates
corrosion
Adsorption
Inorganic compounds
inorganic compounds
adsorption
organic compounds
Organic compounds
Oxides
metal oxides
Metals
Molecules
molecules
ferric oxide

Keywords

  • Adsorption
  • Corrosion inhibitor
  • Indicator species
  • Indirect radiotracer technique
  • Metal oxides

ASJC Scopus subject areas

  • Electrochemistry

Cite this

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abstract = "The specific adsorption of corrosion inhibitors (inorganic and organic compounds) was studied at a metal oxide (hematite) in 0.5 mol dm-3 NaClO4 solution by an indirect radiotracer technique. This indirect radiotracer technique is based upon the application of labeled indicator species, which were sulfate species at a concentration of 2x10-4 tool dm-3. The displacement of sulfate species was found in all the cases studied. The order of the inhibition efficiency of the corrosion inhibitor molecules is in good agreement with the order of their adsorbabilities.",
keywords = "Adsorption, Corrosion inhibitor, Indicator species, Indirect radiotracer technique, Metal oxides",
author = "E. K{\'a}lm{\'a}n and G. Hor{\'a}nyi",
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AU - Horányi, G.

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AB - The specific adsorption of corrosion inhibitors (inorganic and organic compounds) was studied at a metal oxide (hematite) in 0.5 mol dm-3 NaClO4 solution by an indirect radiotracer technique. This indirect radiotracer technique is based upon the application of labeled indicator species, which were sulfate species at a concentration of 2x10-4 tool dm-3. The displacement of sulfate species was found in all the cases studied. The order of the inhibition efficiency of the corrosion inhibitor molecules is in good agreement with the order of their adsorbabilities.

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KW - Indirect radiotracer technique

KW - Metal oxides

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