A radiotracer study of the adsorption and electrocatalytic reduction of nicotinic acid at a platinized platinum electrode

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Abstract

The electrosorption of C-14 labelled nicotinic acid was studied at a platinized platinum electrode in both acid (1 mol dm-3 H2SO4) and alkaline (0.1 mol dm-3 NaOH) media. It was found that the behaviour of nicotinic acid is very similar to its isocyclic aromatic counterpart, benzoic acid: strong irreversible chemisorption occurs in the double layer region and reductive elimination of the chemisorbed species can be observed at low potentials toward the onset of hydrogen evolution. The reductive elimination of the chemisorbed species is involved in the overall process of electrocatalytic reduction of nicotinic acid.

Original languageEnglish
Pages (from-to)481-489
Number of pages9
JournalJournal of Electroanalytical Chemistry
Volume284
Issue number2
DOIs
Publication statusPublished - May 25 1990

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Niacin
Platinum
Adsorption
Electrodes
Acids
Benzoic Acid
Chemisorption
Benzoic acid
Hydrogen

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Analytical Chemistry
  • Electrochemistry

Cite this

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title = "A radiotracer study of the adsorption and electrocatalytic reduction of nicotinic acid at a platinized platinum electrode",
abstract = "The electrosorption of C-14 labelled nicotinic acid was studied at a platinized platinum electrode in both acid (1 mol dm-3 H2SO4) and alkaline (0.1 mol dm-3 NaOH) media. It was found that the behaviour of nicotinic acid is very similar to its isocyclic aromatic counterpart, benzoic acid: strong irreversible chemisorption occurs in the double layer region and reductive elimination of the chemisorbed species can be observed at low potentials toward the onset of hydrogen evolution. The reductive elimination of the chemisorbed species is involved in the overall process of electrocatalytic reduction of nicotinic acid.",
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T1 - A radiotracer study of the adsorption and electrocatalytic reduction of nicotinic acid at a platinized platinum electrode

AU - Horányi, G.

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N2 - The electrosorption of C-14 labelled nicotinic acid was studied at a platinized platinum electrode in both acid (1 mol dm-3 H2SO4) and alkaline (0.1 mol dm-3 NaOH) media. It was found that the behaviour of nicotinic acid is very similar to its isocyclic aromatic counterpart, benzoic acid: strong irreversible chemisorption occurs in the double layer region and reductive elimination of the chemisorbed species can be observed at low potentials toward the onset of hydrogen evolution. The reductive elimination of the chemisorbed species is involved in the overall process of electrocatalytic reduction of nicotinic acid.

AB - The electrosorption of C-14 labelled nicotinic acid was studied at a platinized platinum electrode in both acid (1 mol dm-3 H2SO4) and alkaline (0.1 mol dm-3 NaOH) media. It was found that the behaviour of nicotinic acid is very similar to its isocyclic aromatic counterpart, benzoic acid: strong irreversible chemisorption occurs in the double layer region and reductive elimination of the chemisorbed species can be observed at low potentials toward the onset of hydrogen evolution. The reductive elimination of the chemisorbed species is involved in the overall process of electrocatalytic reduction of nicotinic acid.

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