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Potential use of the characteristic Raman lines of toluene (C7H8 ) as a reference on the spectral analysis of fuel blends

  • We report the use of the Raman spectral information of the chemical compound toluene C7H8 as a reference on the analysis of laboratory-prepared and commercially acquired gasoline-ethanol blends. The rate behavior of the characteristic Raman lines of toluene and gasoline has enabled the approximated quantification of this additive in commercial gasoline-ethanol mixtures. This rate behavior has beenWe report the use of the Raman spectral information of the chemical compound toluene C7H8 as a reference on the analysis of laboratory-prepared and commercially acquired gasoline-ethanol blends. The rate behavior of the characteristic Raman lines of toluene and gasoline has enabled the approximated quantification of this additive in commercial gasoline-ethanol mixtures. This rate behavior has been obtained from the Raman spectra of gasoline-ethanol blends with different proportions of toluene. All these Raman spectra have been collected by using a self-designed, frequency precise and low-cost Fourier-transform Raman spectrometer (FT-Raman spectrometer) prototype. This FT-Raman prototype has helped to accurately confirm the frequency position of the main characteristic Raman lines of toluene present on the different gasoline-ethanol samples analyzed at smaller proportions than those commonly found in commercial gasoline-ethanol blends. The frequency accuracy validation has been performed by analyzing the same set of toluene samples with two additional state-of-the-art commercial FT-Raman devices. Additionally, the spectral information has been contrasted, with highly-correlated coefficients as a result, with the values of the standard Raman spectrum of toluene.show moreshow less

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Metadaten
Document Type:Conference Proceeding
Conference Type:Konferenzartikel
Zitierlink: https://opus.hs-offenburg.de/1644
Bibliografische Angaben
Title (English):Potential use of the characteristic Raman lines of toluene (C7H8 ) as a reference on the spectral analysis of fuel blends
Conference:SPIE Optical Metrology, 21-25 June 2015, Munich, Germany
Author:Valentin Ortega ClaveroStaff MemberGND, Andreas WeberStaff Member, Werner SchröderStaff MemberGND, Dan CurticapeanStaff MemberGND
Year of Publication:2015
Date of first Publication:2015/06/22
Creating Corporation:Society of Photo-Optical Instrumentation Engineers
Place of publication:Bellingham, Washington
Publisher:SPIE
First Page:95254G-1
Last Page:95254G-7
Article Number:95254G
Parent Title (English):Proceedings of SPIE: Optical Measurement Systems for Industrial Inspection IX
Volume:9525
ISBN:9781628416855
ISSN:0277-786X
DOI:https://doi.org/10.1117/12.2185100
Language:English
Inhaltliche Informationen
Institutes:Forschung / IUAS - Institute for Unmanned Aerial Systems
Fakultät Elektrotechnik und Informationstechnik (E+I) (bis 03/2019)
Institutes:Bibliografie
GND Keyword:Raman-Spektroskopie; Spektralanalyse
Formale Angaben
Open Access: Closed Access 
Licence (German):License LogoUrheberrechtlich geschützt