Trace determination of benzene and aromatic molecules in hexane by laser two-photon ionization
作者： Teiichiro. Ogawa , Manabu. Kise , Tooru. Yasuda , Hirofumi. Kawazumi , Sunao. Yamada
DOI: 10.1021/AC00035A005
关键词:
摘要: Laser two-photon ionization of several aromatic molecules in hexane has been carried out with the fourth harmonics (266 nm) a Nd-YAG laser as an excitation source. The photoionization current is quadratically proportional to pulse energy, indicating ionization. There large blank signal due solvent (hexane) ionization, and it canceled differential technique. effect energy fluctuation corrected by on-line normalization procedure
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