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Applied Spectroscopy

Applied Spectroscopy

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  • Vol. 48, Iss. 7 — Jul. 1, 1994
  • pp: 788–795

Fluorescence Line-Narrowing Spectroscopy as an Off-Line Identification Method for Narrow-Bore Column Liquid Chromatography

R. J. van de Nesse, I. H. Vinkenburg, R. H. J. Jonker, G. Ph. Hoornweg, C. Gooijer, U. A. Th. Brinkman, and N. H. Velthorst

Applied Spectroscopy, Vol. 48, Issue 7, pp. 788-795 (1994)


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Abstract

Storage of the effluent from a column liquid chromatograph (LC) on a thin-layer chromatography (TLC) plate was utilized to identify analytes with fluorimetric techniques in the absence of time constraints. As an example, the deposited LC trace of an impure 1-chloropyrene sample was studied in situ by conventional excitation/emission spectroscopy and by fluorescence line-narrowing (FLN) spectroscopy, a high-resolution laser-induced fluorescence technique requiring cryogenic conditions. Pyrene and several mono-, di-, and trichlorinated pyrenes, present in the 1-chloropyrene sample, were identified with the use of the fingerprint structure of the vibrationally resolved FLN spectra. Quantitation on the basis of the FLN signals was achieved by standard addition; compounds could be detected down to the low picogram level. Various TLC materials were used to study the influence of the matrix on the FLN spectra; although peak intensities and hole burning effects are matrix-dependent, the line positions are not influenced.

Citation
R. J. van de Nesse, I. H. Vinkenburg, R. H. J. Jonker, G. Ph. Hoornweg, C. Gooijer, U. A. Th. Brinkman, and N. H. Velthorst, "Fluorescence Line-Narrowing Spectroscopy as an Off-Line Identification Method for Narrow-Bore Column Liquid Chromatography," Appl. Spectrosc. 48, 788-795 (1994)
http://www.opticsinfobase.org/as/abstract.cfm?URI=as-48-7-788

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