Analytical Applications of Supersonic Jet Spectroscopy

Aviv Amlrav, Uzl Even, Joshua Jortner*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


We report some applications of the techniques of laser spectroscopy of large molecules seeded In centrosymmetrlc supersonic expansions and In planar supersonic expansions of rare gases for the Identification of large organic molecules, for the sensitive detection of minor amounts of organic molecules, and for Isotopic analysis. Laser-Induced fluorescence and energy-resolved emission In Jets are useful for high-resolution (<3 cm-1) chemical analysis and for Isotopic analysis. The utilization of planar supersonic expansions for the sensitive detection of minor traces of organic Impurities allows for the detection of fluorescent large molecules whose vapor pressure at 200 C exceeds 10~7 torr and for detection of Impurities at concentrations exeedlng 1 ppm.

Original languageEnglish
Pages (from-to)1666-1673
Number of pages8
JournalAnalytical Chemistry
Issue number11
StatePublished - Sep 1982


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