Abstract
An untreated solid solvent-refined coal sample yields matrix isolation fluorescence spectra suitable for identification and determination of polycyclic aromatic hydrocarbons. Selective excitation of fluorescence in Shpol'skii matrices and background suppression using the time resolution capabilities of a dye-laser spectrometer permit the unambiguous identification of PAHs including benzo(a)pyrene. Determination of four polycyclic aromatic hydrocarbons (benzo(a)pyrene, perylene, benz(a)anthracene, and benzo(b)fluorene) in Solvent Refined Coal I is reported, as is the determination, by identical spectrometric technique, of the benzo(a)pyrene content of a NBS shale oil standard reference material. 5 figures, 2 tables.
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