Ultraviolet spectrometric detection for gas chromatography of polynuclear aromatic compounds with repetitive spectral scans using absorbance and concurrent fluorescence measurements.


A computer-controlled ultraviolet spectrometric detection system for gas chromatography (GC) is described which acquires absorption spectra of gas-phase GC effluents at rates up to two 62-nm scans per s. Concurrent fluorescence measurements enhance the selectivity of this detection system, providing additional qualitative information. The system has been… (More)


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