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Detection of fluorescence from soils contaminated with monoaromatic hydrocarbons  

김우진 (이화여자대학교 환경공학과)
박재우 (이화여자대학교 환경공학과)
이주인 (한국표준과학연구소 나노표면연구실)
Publication Information
Journal of Soil and Groundwater Environment / v.7, no.2, 2002 , pp. 35-44 More about this Journal
Abstract
In order to determine the contamination of the aromatic hydrocarbons in soil, a fiber-optic sensing technique with fluorescence detector has been proposed. Previous researches have shown that the optimal condition for detecting benzene, toluene, ethylbenzene, xylene (BTEX) was 260 nm /290 nm (excitation/emission wavelength). However, broader fluorescence spectra of BTEX-polluted soil sample ranging from 300 nm to 600 nm were observed. Additionally, the intensity of fluorescence increased with increasing BTEX concentration, which was conspicuous in the fine-particle soil, The overall results indicated that the suggested technique could be useful for in-situ monitoring system for subsurface oil-storage tank.
Keywords
BTEX;
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