Instrumental effects on limits of detection in gas phase fluorescence detection of gas chromatographic effluents

Matrix isolation fluorescence spectrometric detection in gas chromatography

“…Of course, use of an undispersed continuum source sacrifices the principal attribute of lowtemperature fluorescence spectrometry: the ability to excite selectively the fluorescence of individual components of a mixture (11). There is little doubt that use of an excitation monochromator or (preferably) a tunable laser would effect substantial improvements in both detection limits (9) and selectivity (19,21). However, the practicality of using a dye laser for routine use in GC detection is highly questionable.…”

Apparatus for vapor-phase adsorption of polycyclic organic matter onto particulate surfaces

“…In order to monitor the course of adsorption, it is necessary to determine the presence of POM in the gaseous effluent from the adsorption column. The inherently high sensitivity of fluorescence spectrometry, coupled with the intense fluorescence of many POM compounds in the vapor phase (6)(7)(8)(9)(10), makes fluorescence spectroscopy a useful method for this purpose. The design of the heated fluorescence cell used in this work is described elsewhere (7).…”