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Polycyclic aromatic hydrocarbon dermal tumorigens: Comparison of high-boiling petroleum crude oils and distillates and coal-derived liquids by Wayne H. Griest; Bruce A. Tomkins; Michelle V. Buchanan; A.Russell Jones; Roberta R. Reagan is a Engineering article available to read on EtoBox.

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Two petroleum crude oils were distilled into two sets of fractions patterned after the boiling ranges of crude coalderived liquids, including a heavy oil/heavy distillate (bp > 232"C/450°F) and a high-boiling vacuum gas oil (bp > 343"C/650"F). Samples ofthese distillates and two naturally occurring, undistilled, high-boiling, petroleumderived crude oils were analysed for selected four-to six-ring polycyclic aromatic hydrocarbon (PAH) dermal tumorigens. The PAH were isolated using semipreparative-scale high performance liquid chromatography, and quantitated using gas chromatography-mass spectrometry in the single-ion monitoring mode. The isomer distributions of these PAH in petroleum-and crude coal-derived samples exhibiting similar boiling ranges were different, and the concentrations of the PAH were one to two orders of magnitude greater in the coal-derived liquids. Their distributions and concentrations in the petroleumderived samples were more like those in hydrogenated coal liquids than those in the crude coal liquids.

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Author

Wayne H. Griest; Bruce A. Tomkins; Michelle V. Buchanan; A.Russell Jones; Roberta R. Reagan

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0016-2361)

Published

1987

Language

EN

Field

Engineering (Physical Sciences)