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Showing 1 to 3 of 3 for “"sorbent traps"”.
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Development of methodology for the use of multi-bed sorbent traps with gas chromatography time of flight mass spectrometry
… time. In this study, the utility of a multibed sorbent trap was explored for potential use as a preconcentration step in the analysis of volatile products of lipid peroxidation in biological systems. The trap was integrated into a fully-automated system in which samples are drawn to the trap via …
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Applications of modifiers in supercritical fluid extraction and chromatography
… extraction have been evaluated in this work. Sorbent and solid phase traps were investigated with pure carbon dioxide in order to determine the effect of stationary phase identity, pretreatment, and rinse solvent on the recoveries of a test mixture of compounds of varying vapor pressure and …
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On-trap derivatization of short-chain fatty acids
… Previous studies by others using multibed-sorbent traps, solid phase microextraction (SPME), and on-fiber derivatization with SPME showed that it is possible to achieve low limits of detection (LODs) for the gas chromatographic (GC) headspace analysis of SCFAs. The goal of this project was …