CARACTEREZITION OF GASOLINES BY FT-RAMAN SPECTROSCOPY / CARACTERIZAÇÃO DE GASOLINAS POR ESPECTROSCOPIA FT- RAMAN
AUTOR(ES)
JOSE FLAVIO MARTINS CRUZ
DATA DE PUBLICAÇÃO
2003
RESUMO
The aim of this work was to determine the contents of the more important components and physical properties of commercial gasolines and synthetic mixtures with known composition, prepared in the laboratory. The Raman spectra of 60 gasolines and 52 mixtures were acquired with a Nicolet 950 Fourier Transform Raman (FT-Raman) spectrometer. The raw spectra were treated to avoid the laser potency variability on Raman lines intensities. The independent variables (Raman intensities) and the dependent variables (gasolines and mixtures properties) were mean centered and models were fit by partial least square regression seeking to predict the contents of ethanol, saturated, unsaturated and aromatic hydrocarbons. Also properties as MON, RON, density and boiling point values were determined by this procedure. The final results showed the potential of Raman spectroscopy for analysis of several properties of gasolines.
ASSUNTO(S)
partial least squares gasolina minimos quadrados parciais gasoline espectroscopia raman petroleum raman spectroscopy petroleo
ACESSO AO ARTIGO
Documentos Relacionados
- Monitoring emulsion homopolymerization reactions using FT-Raman spectroscopy
- Diagnóstico diferencial no melanoma primário e metastático por espectroscopia FT-Raman
- The use of Generalized Two-Dimensional FT-Raman Correlation Spectroscopy method to monitor the quality of automotive gasoline.
- Espectroscopia FT-Raman na diferenciação entre melanoma cutâneo e nevo pigmentado
- USO DE ANÁLISE MULTIVARIADA PARA DETERMINAR A COMPOSIÇÃO DE GASOLINA A PARTIR DA ESPECTROSCOPIA FT-RAMAN E CROMATOGRAFIA GASOSA