Electrochemical behaviour of 1,2-propanediol and methyl-glyoxal at a platinized platinum electrode in acidic media

G. Horányi, K. Torkos

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Abstract

Oxidation of 1,2-propanediol, oxidation and reduction of methyl-glyoxal were studied in acid media at a platinized platinum electrode. It has been shown that the oxidation of 1,2-propanediol takes place via a branched reaction path through α-oxy-oxo intermediates and that methyl-glyoxal is one of the intermediates in the process resulting in CH3-CHOH-COOH, CH3-CO-COOH, CH3-COOH and CO2. In studying the reduction of methyl-glyoxal, formation of gaseous products (propane, ethane) has been found in accordance with previous results obtained with other α-dioxo compounds (glyoxal, biacetyl). The probable reaction scheme for the reduction process is given.

Original languageEnglish
Pages (from-to)105-113
Number of pages9
JournalJournal of Electroanalytical Chemistry
Volume125
Issue number1
Publication statusPublished - Aug 10 1981

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Glyoxal
Propylene Glycol
Platinum
Oxidation
Electrodes
Ethane
Diacetyl
Propane
Carbon Monoxide
Acids

ASJC Scopus subject areas

  • Electrochemistry
  • Analytical Chemistry
  • Chemical Engineering(all)

Cite this

Electrochemical behaviour of 1,2-propanediol and methyl-glyoxal at a platinized platinum electrode in acidic media. / Horányi, G.; Torkos, K.

In: Journal of Electroanalytical Chemistry, Vol. 125, No. 1, 10.08.1981, p. 105-113.

Research output: Contribution to journalArticle

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