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GC-MS Determines Hydrocarbons in Oysters
Following the recent oil spill in the Gulf of Mexico, concerns have been raised over the potential contamination of seafood with polycyclic aromatic hydrocarbons (PAHs) and aliphatic hydrocarbons. ...continue

Hydrogen Gives GC Head Start
by Peter Froehlich, Peak Media, and Corky Belobraydich, Parker-Hannifin Corp.
In-house generation of H₂ for head space gas chromatography provides effective extraction of compounds of interest from complex samples....continue

Drug Abuse Tests Mouth Off

by Eric Chi and Jason Cole, Thermo Fisher Scientific, Austin, TX
GC triple quadrupole mass spectrometry overcomes many of the challenges for confirming and quantifying THC in forensic toxicology analyses....continue

Tough TOF Made Easier
by Tim Studt
Fast speed and high resolution have always been the hallmarks of TOF systems. Now flexibility, ruggedness and reasonable costs can be added to that list....continue

TD in Food GC Analyses
Volatile organic compounds, or VOCs, are organic compounds that have high enough vapor pressures to vaporize under ambient conditions. VOCs can be toxic chemical agents, fragrances, emissions from production processes, or everyday odors. ...continue

GC-Ion Trap Analyses for Green Tea Pesticides
Tea has important antioxidant properties that can positively impact human health. Research suggests these properties may reduce the risk of cardiovascular disease and cancer while improving bone health and supporting the immune system. ...continue

Recirculating Evaporator Requires No External Gas Supplies
The Centrifan AF recirculating evaporator from Modular SFC with auto-fill capability allows unattended evaporation of samples generated by any separation or extraction system.  ...continue

Pressure Alarms Monitor Purge Gas
The 9900 Series of low-gas pressure alarms from SGD Inc. is suited for use with both high- and low-pressure gas cylinders, as well as cryogenic containers.  ...continue

Gas Purifiers Absorb More Contaminants
VICI Metronics’ gas purifiers are designed to be placed in-line with a GC carrier or detector gas supply to remove contaminants from the analytical gases prior to entering the GC.  ...continue

Mass Spectrometer Detects Drugs in Oral Fluid Analysis
The TSQ Quantum GC triple-stage quadrupole mass spectrometer from Thermo Scientific performs rapid confirmation and quantitation analyses and achieves optimal quantitative precision and linearity.
...continue

Multi-Dimensional GC Performs Structure and QC Analysis
The Multi-Dimensional Gas Chromatography (MDGC) system expands the capabilities of chemists who perform target compound analyses in complex sample matrices, including food and flavor components and biological extracts. ...continue

Multimode GC Inlet Delivers Cost-Effective High Performance
The Multimode gas chromatograph inlet with split, splitless and programmable temperature vaporization capability, is available at a far lower purchase cost than the previous version and features much lower maintenance requirements....continue

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Chrom Notebook

Searching for Cousteau

Tim Studt
Editor in Chief

I often wonder what Jacques Cousteau would say about the state of affairs of the world's oceans. What would he think about the floating islands of plastic garbage in the Pacific twice the size of Texas, or about rapid ocean acidification linked to increasing carbon dioxide levels in the atmosphere, or about changing ocean currents because of melting icecaps and glaciers, or about BP's Deepwater Horizon oil spill in the Gulf of Mexico? ...continue

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