UV Resonance Raman Characterization of Polycyclic Aromatic Hydrocarbons in Coal Liquid Distillates

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Abstract:

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.

Keywords: Analysis for PAH; Fluorescence; Luminescence; Raman spectroscopy; YAG lasers

Document Type: Research Article

DOI: http://dx.doi.org/10.1366/0003702884428365

Affiliations: 1: 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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