Near-ultraviolet femtosecond laser ionization of dioxins in gas chromatography/time-of-flight mass spectrometry

Satoshi Yamaguchi, Fumiaki Kira, Yuki Miyoshi, Tomohiro Uchimura, Yuka Watanabe-Ezoe, Shin ichi Zaitsu, Tomoko Imasaka, Totaro Imasaka

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)

Abstract

Gas chromatography/multiphoton ionization/time-of-flight mass spectrometry (GC/MPI/TOF-MS) was applied to the trace analysis of polychlorinated dibenzo-p-dioxins and polychlorinated dibenzofurans (PCDD/Fs). To determine the optimum wavelength for analysis of PCDD/Fs, the wavelength of the femtosecond laser utilized for multiphoton ionization was converted to near-ultraviolet status using stimulated Raman scattering. A femtosecond laser emitting at 300 nm completely eliminated the background signal arising from the bleeding compounds generated from a stationary phase of the capillary column in GC.

Original languageEnglish
Pages (from-to)229-233
Number of pages5
JournalAnalytica Chimica Acta
Volume632
Issue number2
DOIs
Publication statusPublished - Jan 26 2009

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Biochemistry
  • Environmental Chemistry
  • Spectroscopy

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