Induced adsorption of cations by -SO3 and -COOH groups anchored to the surface of a platinized platinum electrode. A radiotracer study

G. Horányi, E. M. Rizmayer

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Abstract

The adsorption of labelled Ca2+ ions was studied at platinized platinum electrodes in 1 x 10t-2 mol dmt-3 HClO4 supporting electrolyte in the absence and presence of organic additives containing -COOH or -SO3H groups (benzenesulfonic, maleic, glyoxylic, succinic acids etc). It was found that molecules which forms strongly chemisorbed species induce a significant adsorptiuon. The phenomenon is explained by an ion-exchange process occuring with the -COOH and -SO3H groups anchored to the surface via the strongly chemisorbed species.

Original languageEnglish
Pages (from-to)1161-1165
Number of pages5
JournalElectrochimica Acta
Volume33
Issue number8
DOIs
Publication statusPublished - Aug 1988

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ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Electrochemistry

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