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Issue 12, 2012
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Fluorescence excitation–emission matrix (EEM) spectroscopy and cavity ring-down (CRD) absorption spectroscopy of oil-contaminated jet fuel using fiber-optic probes

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Abstract

Excitation emission matrix (EEM) and cavity ring-down (CRD) spectral signatures have been used to detect and quantitatively assess contamination of jet fuels with aero-turbine lubricating oil. The EEM spectrometer has been fiber-coupled to permit in situ measurements of jet turbine oil contamination of jet fuel. Parallel Factor (PARAFAC) analysis as well as Principal Component Analysis and Regression (PCA/PCR) were used to quantify oil contamination in a range from the limit of detection (10 ppm) to 1000 ppm. Fiber-loop cavity ring-down spectroscopy using a pulsed 355 nm laser was used to quantify the oil contamination in the range of 400 ppm to 100 000 ppm. Both methods in combination therefore permit the detection of oil contamination with a linear dynamic range of about 10 000.

Graphical abstract: Fluorescence excitation–emission matrix (EEM) spectroscopy and cavity ring-down (CRD) absorption spectroscopy of oil-contaminated jet fuel using fiber-optic probes

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Publication details

The article was received on 17 Jan 2012, accepted on 18 Mar 2012 and first published on 20 Mar 2012


Article type: Paper
DOI: 10.1039/C2AN35091B
Citation: Analyst, 2012,137, 2782-2790
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    Fluorescence excitation–emission matrix (EEM) spectroscopy and cavity ring-down (CRD) absorption spectroscopy of oil-contaminated jet fuel using fiber-optic probes

    H. Omrani, J. A. Barnes, A. E. Dudelzak, H. Loock and H. Waechter, Analyst, 2012, 137, 2782
    DOI: 10.1039/C2AN35091B

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