Highly Sensitive Detection of Anthracene at the Interface Region of a Hydrocarbon-Water Two-Phase System Using Laser Two-Photon Ionization

Yao Qun LI; Takanori INOUE; Teiichiro OGAWA

doi:10.2116/analsci.12.691

Yao Qun LI, Takanori INOUE, Teiichiro OGAWA

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Keywords: Laser, highly sensitive detection, photoionization, two-phase system, interface, anthracene

JOURNAL FREE ACCESS

1996 Volume 12 Issue 5 Pages 691-693

DOI https://doi.org/10.2116/analsci.12.691

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Abstract

The laser two-photon ionization technique has been applied to an interface region in a two-phase system. Anthracene, which stays preferentially in the hydrocarbon phase, could be determined using laser irradiation through the water phase. The detection limit (S/N=3) was 1.8×10^-9M.

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