Comprehensive Two-Dimensional Gas Chromatography (GCxGC)

Advanced GC technique that separates compounds using two columns with different properties for enhanced resolution.

DOC-52707
Peter Gorst-Allman [LECO] discusses the usage of GCxGC TOF-MS (with the Pegasus BT 4D) to analyze dioxins in samples, in accordance to EPA 1613.
415-956-002
Dr. Heather Bean (Arizona State University) discusses using GCxGC-TOF MS to detect and phenotype infections directly from lung samples.
401-952-745
When you don't know what you're looking for, as is often the case with environmental contaminants and pollutants, the task can seem daunting, but high-resolution TOFMS and GCxGC is a powerful combination for non-target searches. With the tools inc...
209-200-172
Data from a single injection of plastics-derived pyrolysis oil using GCxGC with reverse fill-flush modulator and flow splitter is explored.
DOC-66494
With ever-increasing demands on your time, labor, and resources, optimizing your workflow is essential. Learn best approaches from GC-TOFMS experts to enhance your one- and two-dimensional gas chromatography applications (GC-MS and GCxGC-MS) in th...
DOC-52769
How do we find what we don't specifically look for? This presentation will look at non-target GCxGC for environmental forensics, or exposomic analysis, of wastewater, specifically the semivolatile organic fraction, and what can be done when discov...
401-952-740
Helium is becoming an increasingly limited natural resource; using Hydrogen to achieve increased chromatographic throughput in GC applications is attractive. Both have advantages and disadvantages. LECO experts investigated the use of Hydrogen as ...
SS-ASMS20-LPSS-002
Tile-based Fisher ratio (F-ratio) analysis is used to discover and quantify metabolites in Argentinian pacu fish, using data collected by comprehensive two-dimensional gas chromatography coupled with time-of-flight mass spectrometry (GCxGC-TOFMS) ...
DOC-52720
John Seeley [Oakland University] discusses various modulation technique for sample introduction into GCxGC columns.
401-952-737
The current analytical method for the quantitative determination of Mineral Oil Saturated Hydrocarbons (MOSH) and Mineral Oil Aromatic Hydrocarbons (MOAH) is LC-GC-FID, but the chromaticagraphic profile obtained is too often just a hump of unresol...
DOC-52703
John Heim [LECO], discusses the capability of GCxGC TOF-MS for drug screening analysis with limited sample preparation.
203-821-620
Frankincense and myrrh are historically significant resins that continue to be studied today for their chemical composition and potential applications. Extracted from Boswellia and Commiphora trees, these materials have long been used in perfumes ...
401-952-741
Small time savings throughout the workflow can add up to big savings. See aroma and flavor examples of how automated sample prep and elevated Time-of-Flight Mass Spectrometry (TOFMS) analysis, followed by software solutions to compare and evaluate...