The sensitization effect in the laser-induced infrared fluorescence spectroscopy by addition of a second component. II.

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概要

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• A considerable degree of the sensitization is realized in the laser-induced infrared fluorescence spectra when some of the alkene compounds are mixed with an objective sample in the gas phase. This sensitization effect has been examined quantitatively for diethyl ether when ethylene or propylene is added as a second component. The 8.7 μm band of ether is used as a key band. The degree of sensitization is abruptly enhanced with lowering the concentration of diethyl ether, and at about 0.1 Torrt of the sample the intensities per unit concentration become about 150 and 50 times greater for ether–ethylene and ether–propylene systems, respectively compared with that without ethylene or propylene. A possibility of a new vibrational spectroscopy with high sensitivity and its applications to microanalysis are suggested.

• 公益社団法人 日本化学会の論文

著者

• TANAKA Shigeyuki

  Department of Applied Chemistry, School of Engineering, Tokai University

• HIGUCHI Seiichiro

  Department of Applied Chemistry

• Kagawa Yasuhiro

  Department of Industrial Chemistry, Faculty of Engineering, The University of Tokyo

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