Supersonic Jet Fluorimetry Using Spectrometric Multichannel Analyzer for Detection in Gas Chromatography

Abstract

A supersonic jet fluorimeter with a spectrometric multichannel analyzer allows repetitive measurements of a fluorescence spectrum for gas chromatograph effluents. A three-dimensional chromatogram is measured for a sample containing chloroanthracene derivatives by adjusting the excitation wavelength to that of a pure electronic transition for a specified molecule. By using this method, the sample molecule can readily be identified from well-resolved spectral features in the fluorescence spectrum. The detection limits are several hundred ng for l- and 9-chloroanthracenes.