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Rev Sci Instrum. 2012 Apr;83(4):043902. doi: 10.1063/1.3698002.

Thermal lens spectroscopy for the differentiation of biodiesel-diesel blends.

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1
Grupo de Espectroscopia Óptica e Fototérmica, Programa de Pós-Graduação em Recursos Naturais, Universidade Estadual de Mato Grosso do Sul, CP 351, Dourados, MS, Brazil.

Abstract

Thermal lens (TL) spectroscopy was applied to biofuels to test its potential to distinguish diesel from biodiesel in blended fuels. Both the heat and mass diffusion effects observed using a TL procedure provide significant information about biodiesel concentrations in blended fuels. The results indicate that the mass diffusivity decreases 32% between diesel and the blend with 10% biodiesel added to the diesel. This simple TL procedure has the potential to be used for in loco analyses to certify the mixture and quality of biodiesel-diesel blends.

PMID:
22559544
DOI:
10.1063/1.3698002
[Indexed for MEDLINE]
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