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Gas Chromatography–Mass Spectrometric Determination of Traces of Ether-Type Icing Inhibitors in Free-Floating Fuels

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Abstract

A gas chromatographic–mass spectrometric (GC–MS) assay method has been developed for simultaneous determination of ethylene glycol monomethyl ether (EGME) and diethylene glycol monomethyl ether (DEGME) in spilled aviation fuels. Ethylene glycol monobutyl ether (EGBE) and ethylene glycol monoethyl ether (EGEE) were used as internal standard and surrogate, respectively. Sample preparation consisted of back-extraction with 7 mL dichloromethane after extraction of 50 mL of fuel with 2 mL of water. The extract was concentrated to dryness, dissolved in 100 μL methanol, and analyzed by GC–MS with selected-ion monitoring (SIM). The peaks had good chromatographic properties on a semi-polar column. EGME and DEGME were extracted from fuel with high recovery of 75 and 85%, with small variations, respectively. Method detection limits were 1.3 and 1.0 ng mL−1 for EGME and DEGME, respectively, in spilled fuel. DEGME was detected at concentrations of 22.6 and 19.7 ng mL−1 in two samples from among five free-floating samples collected in a tunnel of a subway station located in the vicinity of an army base in Korea. The method might be useful for differentiation between the fuel-types kerosene and JP-8, which might originate from a storage tank.

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Authors and Affiliations

  1. Department of Environmental Education, Kongju National University, Kongju, 314-701, Korea

    Ho-Sang Shin

  2. Abuse Drug Research Center, Kongju National University, Kongju, 314-701, Korea

    Ho-Sang Shin

  3. Department of Environmental Science, Kongju National University, Kongju, 314-701, Korea

    Hye-Sil Ahn

Authors
  1. Ho-Sang Shin
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  2. Hye-Sil Ahn
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Correspondence to Ho-Sang Shin.

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Shin, HS., Ahn, HS. Gas Chromatography–Mass Spectrometric Determination of Traces of Ether-Type Icing Inhibitors in Free-Floating Fuels. Chromatographia 60, 235–239 (2004). https://doi.org/10.1365/s10337-004-0369-7

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  • DOI: https://doi.org/10.1365/s10337-004-0369-7

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