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Identifying Type of Refined Petroleum Products in Environmental Media: Thin-Layer Chromatography (TLC) as a Quick Methodology

Authors
Ko, Myoung-SooKwon, DongwookYang, Jung-SeokKwon, Man JaeLee, Seung-WooLee, Seunghak
Issue Date
10월-2014
Publisher
SPRINGER INTERNATIONAL PUBLISHING AG
Keywords
Source identification; Thin-layer chromatography (TLC); Refined petroleum products; Environmental forensics
Citation
WATER AIR AND SOIL POLLUTION, v.225, no.10
Indexed
SCIE
SCOPUS
Journal Title
WATER AIR AND SOIL POLLUTION
Volume
225
Number
10
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/133240
DOI
10.1007/s11270-014-2149-9
ISSN
0049-6979
Abstract
The ultimate goal of our study is to establish thin-layer chromatography (TLC) as a quick and simple method for identifying the type of refined petroleum products present in the environmental media. As a preliminary step, TLC chromatograms of different petroleum products, including gasoline, kerosene, and diesel, were characterized and compared. Methanol was determined as the optimum carrier solution in TLC analysis. The spherical-shaped TLC chromatogram of gasoline showed the longest migration distance, and thus the highest retardation factor (R-f) of 0.91. This was followed by that of kerosene (0.63) with an elliptical-shaped, and diesel (0.24) with an elongated trapezoid-shaped chromatogram. Rf of kerosene and diesel increased with the dilution factor, while gasoline showed a constant value. Additionally, it was observed that the TLC chromatograms of oils produced the same peak pattern with the corresponding petroleum products in gas chromatography (GC). A mixed sample of kerosene and diesel presented a triangular shaped chromatogram, underlining the need to consider the shape of chromatogram in addition to the R-f value, as an indicator of the petroleum type. The findings indicate that TLC has a huge potential to be used as a quick and reliable method for identifying the type of refined petroleum products in the environmental media.
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에너지환경대학원(그린스쿨)
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