Analysis of biodiesel and frying vegetable oils by means of FTIR photoacoustic spectroscopy
- S. M. Lima
- T. Izida
- M. S. Figueiredo
- L. H.C. Andrade
- P. V. Del Ré
- N. Jorge
- E. Buba
- F. Aristone
Publication date
March 2008
DOI Publisher
Springer Science and Business Media LLCAbstract
Fourier Transform Infrared Photoacoustic Spectroscopy was used to determine the mid-infrared vibrational modes of biodiesel and vegetable oils. Our results indicate that this method can contribute significantly to the biodiesel wash process during the sample preparation. Besides, by analyzing the spectra of vegetable oils used to fry snacks we could to monitor the degradation in function of the fried time
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