Ultraviolet resonance Raman spectroscopy has been used to characterize the polycyclic aromatic hydrocarbon composition of a series of distillates of coal-derived liquids. The UV Raman spectra easily monitor changes in the polycyclic aromatic hydrocarbon composition as a function of
distillation temperature. Specific species, such as pyrene, can be determined by judicious choice of excitation wavelength.
Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260 2:
Department of Energy, Pittsburgh Energy Technology Center, Pittsburgh, Pennsylvania 15236
Publication date: February 1, 1988
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