Fiber-optic multiphoton ionization detection of polycyclic aromatic hydrocarbons

Sunao Yamada

    Research output: Contribution to journalArticlepeer-review

    4 Citations (Scopus)

    Abstract

    A fiber-optic multiphoton ionizatin detector was constructed. A pair of gold electrodes was fixed at the end of a fuxed-silica glass fiber of 1 mm diameter, and this end was dipped into a sample solution. Pulsed laser light at 355 nm was introduced into the fiber, and the current resulting from the two-photon ionization of an analyte was measured and analyzed. The detection limits for several polycyclic aromatic hydrocarbons were determined; the lowest was 0.12 ng ml-1 for anthracene and 9,10-dimethylanthracene. The laser power could be very low.

    Original languageEnglish
    Pages (from-to)1-6
    Number of pages6
    JournalAnalytica Chimica Acta
    Volume264
    Issue number1
    DOIs
    Publication statusPublished - Jul 1 1992

    All Science Journal Classification (ASJC) codes

    • Analytical Chemistry
    • Environmental Chemistry
    • Biochemistry
    • Spectroscopy

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