Combination of mid-infrared spectroscopy and chemometric factorization tools to study the oxidation of lubricating base oils

The effect of the presence of iron as a catalyst during base oil oxidation has been studied. Fourier transform infrared (FTIR) spectroscopy was combined to Principal Component Analysis (PCA) in order to extract chemical information during oil oxidation process. After 8 h, the presence of iron did no...

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Bibliographic Details
Published in:Catalysis today 2010-10, Vol.155 (3), p.255-260
Main Authors: Gracia, N., Thomas, S., Bazin, P., Duponchel, L., Thibault-Starzyk, F., Lerasle, O.
Format: Article
Language:English
Subjects:
Catalysis
Chemical Sciences
Chemistry
Chemometrics
Exact sciences and technology
FTIR
General and physical chemistry
Lubricants
or physical chemistry
Oxidation
Principal Component Analysis (PCA)
Theoretical and
Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry
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Summary:The effect of the presence of iron as a catalyst during base oil oxidation has been studied. Fourier transform infrared (FTIR) spectroscopy was combined to Principal Component Analysis (PCA) in order to extract chemical information during oil oxidation process. After 8 h, the presence of iron did not lead to significant change in the global chemical composition as revealed by the first principal component. However, the second principal component indicated clearly that the initial formation of alcohols and esters was favoured by the presence of iron. The influence of iron was highlighted by PCA analysis of on-line FTIR data.
ISSN:0920-5861
1873-4308
DOI:10.1016/j.cattod.2009.11.012