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Indirect radiotracer study of the adsorption of corrosion inhibitors on hematite

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Journal of Solid State Electrochemistry Aims and scope Submit manuscript

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 2×10–4 mol 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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  1. Institute of Chemistry, Chemical Research Center, Hungarian Academy of Sciences, P.O. Box 17, 1525 Budapest, Hungary

    E. Kálmán & G. Horányi

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  1. E. Kálmán
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  2. G. Horányi
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Kálmán, E., Horányi, G. Indirect radiotracer study of the adsorption of corrosion inhibitors on hematite. J Solid State Electrochem 6, 253–258 (2002). https://doi.org/10.1007/s100080100220

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  • DOI: https://doi.org/10.1007/s100080100220

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