Laser-induced fluorescence (LIF) and diffuse reflectance (DR) spectroscopy for the in-situ analysis of diesel-fuel-contaminated soils

Hans-Gerd Loehmannsroeben; Thomas Roch; Lars Schober

doi:10.1117/12.339039

10 February 1999 Laser-induced fluorescence (LIF) and diffuse reflectance (DR) spectroscopy for the in-situ analysis of diesel-fuel-contaminated soils

Hans-Gerd Loehmannsroeben, Thomas Roch, Lars Schober

Author Affiliations +

Proceedings Volume 3534, Environmental Monitoring and Remediation Technologies; (1999) https://doi.org/10.1117/12.339039
Event: Photonics East (ISAM, VVDC, IEMB), 1998, Boston, MA, United States

Abstract

In this paper results of LIF and DR measurements of diesel- fuel contaminated natural and model soils are presented. In order to characterize the influence of soil optical properties on LIF signal intensities (I_F), the reflectances (R) of the soils are taken into account. It is demonstrated that using 'normalized' LIF signal intensities I_F/R significantly reduced the influence of the variability of the matrices. For various natural and model soils contaminated with 5000 ppm diesel fuel the ratio of I_F/R is shown to be approximately constant. Therefore, the calibration with 'normalized' LIF signal intensities allows the quantification of a contaminant in different soils.

Citation Download Citation

Hans-Gerd Loehmannsroeben, Thomas Roch, and Lars Schober "Laser-induced fluorescence (LIF) and diffuse reflectance (DR) spectroscopy for the in-situ analysis of diesel-fuel-contaminated soils", Proc. SPIE 3534, Environmental Monitoring and Remediation Technologies, (10 February 1999); https://doi.org/10.1117/12.339039

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