Journal
JOURNAL OF FLUORESCENCE
Volume 21, Issue 3, Pages 1027-1031Publisher
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10895-010-0815-x
Keywords
Fluorescence spectroscopy; Biodiesel; Diesel; Blend
Funding
- CNPq
- CAPES
- FUNDECT
- National Institute of Science and Technology of Photonics
- National Institute of Science and Technology of Optics and Photonics
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Blends of biodiesel and diesel are being used increasingly worldwide because of environmental, economic, and social considerations. Several countries use biodiesel blends with different blending limits. Therefore, it is necessary to develop or improve methods to quantify the biodiesel level in a diesel/biodiesel blend, to ensure compliance with legislation. The optical technique based on the absorption of light in the mid-infrared has been successful for this application. However, this method presents some challenges that must be overcome. In this paper, we propose a novel method, based on fluorescence spectroscopy, to determine the biodiesel content in the diesel/biodiesel blend, which allows in loco measurements by using portable systems. The results showed that this method is both practical and more sensitive than the standard optical method.
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