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Simultaneous Determination of Polycyclic Aromatic Hydrocarbons by Synchronous Spectrofluorimetry

형광분광법에 의한 방향족 탄화수소의 동시정량

  • 이상학 (경북대학교 자연과학대학 화학과) ;
  • 손범목 (경북대학교 자연과학대학 화학과)
  • Published : 2003.01.01

Abstract

Synchronous spectrofluorimetry was carried out for the simultaneous determination of various polycyclic aromatic hydrocarbons(PAHs) in aqueous solution by fluorescence spectrometry have been studied. The optimal wavelength interval(${\triangle}{\lambda}$) for synchronous spectra of acenaphthene, anthracene, benzo[a]anthracene, fluorene and pyrene were investigated in the presence of surfactants. The great enhancement of the fluorescence of these PAHs in Triton X-100 was obtained and optimal wavelength was 50 nm. The calibration curves in synthetic mixture solution of 5 PAHs were linear over the range from $1.0{\times}10^{-8}M$ to $1.0{\tiems}10^{-4}M$. Under the optimal experimental conditions, the detection limits were $4.9{\tiems}10^{-9}M$,\;7.0{\times}10^{-9}M,\;4.7{\tiems}10^{-9}M,\;1.6{\tiems}10^{-9}M$ and $3.2{\tiems}10^{-9}M$ for acenaphthene, anthracene, benzo[a]anthracene, fluorene and pyrene, respectively.

Keywords

Polycyclic aromatic hydrocarbons;Synchronous spectrofluorimetry;Surfactant

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