Development of an HPLC-UV/Vis method for the determination of dyes in a gasoline sample employing different pre-treatments
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Elsevier B.V.
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A simple method was developed for the determination of the dyes Solvent Blue 14 (SB-14), Solvent Orange 7 (SO-7) and Solvent Red 24 (SR-24), based on high-performance liquid chromatography (HPLC) coupled with UV-Vis detection. The dyes were separated employing a reverse phase C-18 column, with gradient elution using a mobile phase containing acetonitrile/water. In conjunction with suitable sample pre-treatment protocols, the method was applied to the quantification of the dyes in gasoline samples. (C) 2009 Elsevier Ltd. All rights reserved.
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Fuel. Oxford: Elsevier B.V., v. 89, n. 9, p. 2463-2467, 2010.
