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- W4248243119 abstract "The occurrence of aromatic systems in petroleum is well-established, and systems having one to three rings have been identified as constituents of the volatile fractions of petroleum. Previously, a concomitant increase in ring number with decrease in volatility in the higher molecular weight nonvolatile fractions of petroleum was assumed, largely on the basis of spectroscopic evidence. However, evidence produced by pyrolysis-gas chromatography-mass spectrometry and by UV spectroscopy does not support the concept of large polynuclear aromatic systems. The experimental data produced herein are more indicative of polynuclear aromatic systems having one to six rings. Such a concept is consistent with the physical and chemical behavior of petroleum asphaltenes." @default.
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- W4248243119 date "1987-12-22" @default.
- W4248243119 modified "2023-09-27" @default.
- W4248243119 title "Evidence for the Types of Polynuclear Aromatic Systems in Nonvolatile Fractions of Petroleum" @default.
- W4248243119 doi "https://doi.org/10.1021/ba-1988-0217.ch012" @default.
- W4248243119 hasPublicationYear "1987" @default.
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