A highly sensitive laser two-photon ionization detector for liquid chromatography |
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| Authors: | Sunao Yamada Atsushi Hino Teiichiro Ogawa |
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| Affiliation: | Department of Molecular Science and Technology, Graduate School of Engineering Sciences, Kyushu University, Kasuga-shi, Fukuoka 816 Japan |
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| Abstract: | A highly sensitive detector for liquid chromatography using the laser two-photon ionization technique is described. Detection limits for several aromatic molecules, such as pyrene and chrysene, with a nitrogen laser (337 nm) are in the range 5–30 pg, which is considerably below the limits attainable with a commercial u.v. absorption detector. |
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