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Rate constants of oxidation of unsaturated fatty esters studied by chemiluminescence
FAYOLLE, Bruno
Aménagement, Développement, Environnement, Santé et Sociétés [ADES]
Laboratoire Procédés et Ingénierie en Mécanique et Matériaux [PIMM]
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Aménagement, Développement, Environnement, Santé et Sociétés [ADES]
Laboratoire Procédés et Ingénierie en Mécanique et Matériaux [PIMM]
FAYOLLE, Bruno
Aménagement, Développement, Environnement, Santé et Sociétés [ADES]
Laboratoire Procédés et Ingénierie en Mécanique et Matériaux [PIMM]
< Reduce
Aménagement, Développement, Environnement, Santé et Sociétés [ADES]
Laboratoire Procédés et Ingénierie en Mécanique et Matériaux [PIMM]
Language
en
Article de revue
This item was published in
Chemistry and Physics of Lipids. 2012, vol. 165, p. 753–759
Elsevier
English Abstract
This study deals with oxidation kinetics of three unsaturated fatty esters: methyl oleate, methyl linoleate and methyl linolenate at temperatures ranging from 90 to 150 °C. The reaction was monitored by chemiluminescence. ...Read more >
This study deals with oxidation kinetics of three unsaturated fatty esters: methyl oleate, methyl linoleate and methyl linolenate at temperatures ranging from 90 to 150 °C. The reaction was monitored by chemiluminescence. A kinetic model was derived from a simple mechanistic scheme, in which initiation is due to hydroperoxides decomposition, whereas propagation results from the abstraction of the most labile hydrogen and termination results only from the bimolecular combination of peroxyl radicals. Analysis of induction period duration indicated that hydroperoxides mainly decompose by a bimolecular process. The model well predicts the main features of the experimental chemiluminescence curves. Kinetic parameters of the three unsaturated fatty esters were assessed from inverse method and discussed.Read less <
English Keywords
Unsaturated fatty esters
Oxidation
Kinetics
Chemiluminescence
Origin
Hal importedCollections