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        Fluorescence Characteristic Spectra of Domestic Fuel Products through Laser Induced Fluorescence Detection

        Wu, Ting-Nien,Chang, Shui-Ping,Tsai, Wen-Hsien,Lin, Cian-Yi Korean Society of Soil and Groundwater Environment 2014 지하수토양환경 Vol.19 No.5

        Traditional investigation procedures of soil and groundwater contamination are followed by soil gas sampling, soil sampling, groundwater sampling, establishment of monitoring wells, and groundwater monitoring. It often takes several weeks to obtain the analysis reports, and sometimes, it needs supplemental sampling and analysis to delineate the polluted area. Laser induced fluorescence (LIF) system is designed for the detection of free-phase petroleum pollutants, and it is suitable for on-site real-time site investigation when coupling with a direct push testing tool. Petroleum products always contain polycyclic aromatic hydrocarbon (PAH) compounds possessing fluorescence characteristics that make them detectable through LIF detection. In this study, LIF spectroscopy of 5 major fuel products was conducted to establish the databank of LIF fluorescence characteristic spectra, including gasoline, diesel, jet fuel, marine fuel and low-sulfur fuel. Multivariate statistical tools were also applied to distinguish LIF fluorescence characteristic spectra among the mixtures of selected fuel products. This study successfully demonstrated the feasibility of identifying fuel species based on LIF characteristic fluorescence spectra, also LIF seemed to be uncovered its powerful ability of tracing underground petroleum leakages.

      • KCI등재

        Fluorescence Characteristic Spectra of Domestic Fuel Products through Laser Induced Fluorescence Detection

        Ting-Nien Wu,Shui-Ping Chang,Wen-Hsien Tsai,Cian-Yi Lin 한국지하수토양환경학회 2014 지하수토양환경 Vol.19 No.5

        Traditional investigation procedures of soil and groundwater contamination are followed by soil gas sampling, soil sampling,groundwater sampling, establishment of monitoring wells, and groundwater monitoring. It often takes several weeks toobtain the analysis reports, and sometimes, it needs supplemental sampling and analysis to delineate the polluted area. Laserinduced fluorescence (LIF) system is designed for the detection of free-phase petroleum pollutants, and it is suitable for onsitereal-time site investigation when coupling with a direct push testing tool. Petroleum products always contain polycyclicaromatic hydrocarbon (PAH) compounds possessing fluorescence characteristics that make them detectable through LIFdetection. In this study, LIF spectroscopy of 5 major fuel products was conducted to establish the databank of LIFfluorescence characteristic spectra, including gasoline, diesel, jet fuel, marine fuel and low-sulfur fuel. Multivariate statisticaltools were also applied to distinguish LIF fluorescence characteristic spectra among the mixtures of selected fuel products. This study successfully demonstrated the feasibility of identifying fuel species based on LIF characteristic fluorescencespectra, also LIF seemed to be uncovered its powerful ability of tracing underground petroleum leakages.

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