A direct and indirect radiotracer study of the adsorption of serine at a platinized platinum electrode

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Abstract

The adsorption behaviour of serine was studied in acid medium (1 mol dm-3) by a direct radiotracer method using 14 C labelled serine and by means of an indirect method studying the competitive adsorption between non-labelled serine and 36Cl-labelled Cl- ions. A strong irreversible chemisorption was found in a wide potential range (200-500 mV on the RHE scale). It follows from a comparison of the adsorption behaviour of alanine and serine that the strong chemisorption observed for the latter species should be ascribed to the presence of the -CH2-OH entity in the molecule. Study of the behaviour of the chemisorbed molecules confirms this assumption.

Original languageEnglish
Pages (from-to)211-217
Number of pages7
JournalJournal of Electroanalytical Chemistry
Volume304
Issue number1-2
DOIs
Publication statusPublished - Apr 10 1991

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Platinum
Serine
Chemisorption
Adsorption
Electrodes
Molecules
Alanine
Acids
Ions

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Analytical Chemistry
  • Electrochemistry

Cite this

A direct and indirect radiotracer study of the adsorption of serine at a platinized platinum electrode. / Horányi, G.

In: Journal of Electroanalytical Chemistry, Vol. 304, No. 1-2, 10.04.1991, p. 211-217.

Research output: Contribution to journalArticle

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