Abstract
A liquid Chromatograph equipped with a short (3 cm) reverse phase column and electrochemical detector was used to characterize aromatic amines in shale oil, synthetic oil, and coal gasification streams. Five major peaks were produced from each sample mixture. The composition of the peaks was determined by high performance liquid chromatography with a long (25 cm) reverse phase column and by gas chromatography/mass spectrometry. Amines in the various peaks included aminonaphthalenes, aminobiphenyls, aminofluorenes, and aminophenanthrenes plus aminoanthracenes. The concentration of aminofluorenes, and aminophenanthrenes plus aminoanthracenes correlated with relative mutagenicity of the base fraction from the oils or tars. The levels of 2- and 3-ringed aromatic amines from shale oil and oil from the Great Plains commercial coal gasification plan were 24 and 184 μg/g tar, respectively, while the respective mutagenicities were 8 and 214 revertants/μg base fraction. This technique has the advantages of high sensitivity and rapid analysis, and could be used to screen for the presence of mutagens in synthetic fuel samples.
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Lee, R.F., Pice, K.C. & Stamoudis, V.C. Rapid characterization of mutagenic aromatic amines in energy-related materials by short column liquid chromatography with electrochemical detection. Arch. Environ. Contam. Toxicol. 17, 651–656 (1988). https://doi.org/10.1007/BF01055834
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DOI: https://doi.org/10.1007/BF01055834