동시화 형광분광법에 의한 fluorene과 anthracene의 동시정량

Simultaneous Determination of Fluorene and Anthracene by Synchronous Spectrofluoremetry

  • 이상학 (경북대학교 자연과학대학 화학과) ;
  • 한영지 (경북대학교 자연과학대학 화학과) ;
  • 손범목 (경북대학교 자연과학대학 화학과) ;
  • 최종하 (안동대학교 화학과) ;
  • 김창진 (대구대학교 화학과)
  • Lee, Sang Hak (Department of Chemistry, Kyungpook National University) ;
  • Han, Yung Ji (Department of Chemistry, Kyungpook National University) ;
  • Son, Bum Mok (Department of Chemistry, Kyungpook National University) ;
  • Choi, Jong Ha (Department of Chemistry, Andong National University) ;
  • Kim, Chang Jin (Department of Chemistry, Taegu University)
  • 투고 : 2002.02.14
  • 발행 : 2002.10.25

초록

수용액 중의 fluorene 과 anthracene을 동시화 형광분광법을 이용하여 동시에 정량하는 방법에 대하여 연구하였다. 두 화합물 용액에서의 형광특성을 조사하였고, 화합물 혼합용액을 이용하여 동시화 형광스펙트럼을 측정할 때에 파장차이 (${\Delta}{\lambda}$)가 봉우리의 분리에 미치는 영향을 조사한 결과 ${\Delta}{\lambda}$가 50 nm일 때 가장 좋은 봉우리의 분리가 일어났다. 혼합 수용액으로 최적 ${\Delta}{\lambda}$에서 동시화 형광스펙트럼을 측정하여 검정곡선을 작성하였을 때 fluorene의 경우에는 $5.0{\times}10^{-8}M$에서 $1.0{\times}10^{-3}M$, anthracene의 경우에는 $5.0{\times}10^{-8}M$에서 $1.0{\times}10^{-3}M$까지 직선범위 가 성립하였다. Fluorene과 anthracene의 검출한계는 각각 $3.0{\times}10^{-9}M$$7.0{\times}10^{-9}M$이었다.

A method to determine simultaneously fluorene and anthracene in aqueous solution by synchronous fluorescence spectrometry has been studied. The emission characteristics and optimum wavelength interval (${\Delta}{\lambda}$) for synchronous spectra of fluorene and anthracene in aqueous solution were investigated. The optimum wavelength interval (${\Delta}{\lambda}$) was found to be 50 nm. The calibration curve for fluorene and anthracene in the synthetic mixture solution of both compounds was linear over the range from $5.0{\times}10^{-8}M$ to $1.0{\times}10^{-3}M$ and from $5.0{\times}10^{-8}M$ to $1.0{\times}10^{-3}M$ for fluorene and anthracene, respectively. The detection limit was $3.0{\times}10^{-9}M$ and $7.0{\times}10^{-9}M$, for fluorene and anthracene, respectively under the optimal wavelength interval.

키워드

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