Direct determination of selected polynuclear aromatic hydrocarbons in a coal liquefaction product by synchronous luminescence techniques |
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Authors: | T Vo-Dinh PR Martinez |
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Institution: | Health and Safety Research Division, Oak Ridge National Laboratory, Oak Ridge, TN 37830 U.S.A. |
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Abstract: | Synchronous fluorescence and the room-temperature phosphorescence methods were used to determine selected polynuclar aromatic hydrocarbons in a coal liquid (solvent-refined coal) product without a preseparation step. The procedure identified and quantified ten polynuclear aromatic compounds including anthracene, 2,3-benzofluorene, benzoa]pyrene, benzoe]pyrene, carbazole, dibenzothiophene, fluoranthene, fluorene, perylene and pyrene. Standard deviations for repeated determinations ranged from 10–30% for concentrations in the range of 0.1–6 mg g-1. The data obtained by these methods agree with results by other methods within the estimated experimental uncertainty. |
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