Direct determination of selected polynuclear aromatic hydrocarbons in a coal liquefaction product by synchronous luminescence techniques
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, benzo[a]pyrene, benzo[e]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. © 1981.
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