Proceedings of the Korean Society of Soil and Groundwater Environment Conference (한국지하수토양환경학회:학술대회논문집)

Korean Society of Soil and Groundwater Environment (한국지하수토양환경학회)
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Application of Laser-Induced Fluorescence for EDC monitoring in aquatic system

  • Ko Eun-Joung (ADvanced Environmental Monitoring Research Center(ADEMRC), Department of Environmental Science and Engineering, Gwangju Institute of Science and Technology(GIST)) ;
  • Kim Kyoung-Woong (ADvanced Environmental Monitoring Research Center(ADEMRC), Department of Environmental Science and Engineering, Gwangju Institute of Science and Technology(GIST))
  • Published : 2005.04.01
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Abstract

In order to monitor the levels and seasonal variations of EDCs, samples of the discharged effluent from sewage & wastewater treatment plants and river waters were collected. The target EDCs including bisphenol A and alkylphenols were determined by Laser-induced fluorescence(LIF) as in-situ monitoring technique. The category of EDCs showed similar fluorescence spectra and nearly equal decay time. This point makes it hard to distinguish each EBCs from the EDCs mixture by LIF and LIF results were expressed only by the total EDCs. However, LIF monitoring results and GC-MS results was comparable. The correlation coefficient between EDCs concentration acquired from GC-MS and fluorescence intensity from LIF was significant. This study supports the feasibility of the application of LIF into EDCs monitoring In aquatic system.

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