||Analysis of Hazardous Waste and Environmental Extracts by Capillary Gas Chromatography/Fourier Transform Infrared Spectrometry and Capillary Gas Chromatography/Mass Spectrometry.
Gurka, D. F. ;
Hiatt, M. ;
Titus, R. ;
||Environmental Monitoring Systems Lab., Las Vegas, NV. ;Nevada Univ., Las Vegas.
Hazardous materials ;
Environmental surveys ;
Chemical analysis ;
Gas chromatography ;
Infrared spectroscopy ;
Mass spectroscopy ;
Fused silica capillary column gas chromatography ;
Fourier transform spectroscopy
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The relative sensitivities of fused-silica capillary column gas chromatography/Fourier transform infrared spectrometry (FSCC/GC/FT-IR) versus packed-column GC/FT-IR and FSCC/GC/FT-IR versus fused-silica capillary column gas chromatography/mass spectrometry (FSCC/GC/MS) were compared. As part of this study, complex environmental extracts were analyzed by both FSCC/GC/FT-IR and FSCC/GC/MS. The on-line library search results for both techniques were compared with the visually-checked spectral results for all FSCC/GC/FT-IR detectable analytes. Positive analyte identification depended strongly on sample preparation technique, search library content, chromatographic resolution and compound class. It was concluded that a target compound approach would not have utilized much of the available analyte information in these extracts.