Journal
FUEL
Volume 90, Issue 11, Pages 3254-3258Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.fuel.2011.06.022
Keywords
Biodiesel; FIA; Phosphorus; ICP OES; Digestion
Categories
Funding
- CNPq
- CAPES/PROCAD
- FINEP
- FACEPE
- BNB
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In this work, a method for the determination of phosphorus in biodiesel (B100) using flow injection analysis with spectrophotometric detection (FIA-SD) is described. Samples were digested using an acid mixture in a heating block. The phosphorus concentrations obtained by the (FIA-SD) method were similar to those obtained by the official method. Recovery tests show results between 98.6% and 101.0% for biodiesel produced from sunflower and between 102.1% and 113.5% for biodiesel produced from castor and soybeans. The limits of detection (LOD) and quantification (LOQ) obtained using the FIA system were 0.14 mg L-1 and 0.46 mg L-1, respectively. (C) 2011 Elsevier Ltd. All rights reserved.
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