Determination of benzo[a]pyrene in shale oil-by solid-surface fluorescence |
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| Authors: | RJ Hurtubise GT Skar RE Poulson |
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| Institution: | Department of Chemistry, University of Wyoming, Laramie, Wyo. 82071 U.S.A.;Laramie Energy Research Center, United States Energy Research and Development Administration, Laramie, Wyo. 82071 U.S.A. |
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| Abstract: | A method has been developed for determining benzoa]pyrene in shale oil by combining dry-column chromatography, thin-layer chromatography and fluorescence spectrometry. A two-step separation method was employed to isolate benzoa]pyrene from shale oil. Benzoa]pyrene was identified and determined by detecting its fluorescence directly from chromatoplates; as little as 0.06 ng can be detected. The limit of detection of benzoa]pyrene in shale oil is ca. 1.2 ppm and the reproducibility of the method is ±2.6 ppm. |
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