GC @ separationsNOW

The Gas Chromatography channel covers all techniques used for the separation of gases, in addition to the supercritical phase.

This includes multidimensional techniques (e.g. GCxGC) and hyphenated techniques (e.g. GC-MS).

Gas Chromatography

Monthly Highlight

Last Month's Most Accessed Feature: GC-MS defeats the doping steroid cheats

Doping with anabolic steroids remains a significant problem in many sports, particularly since identification of these compounds and many of their metabolites is hampered by their relatively short lifetimes in the body. Scientists from Ghent University in Belgium used GC-MS with chemical ionisation to detect novel long-lived metabolites from the anabolic steroids oxymesterone and mesterolone.

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2018 Free Sample Issues of Key Analytical Science Journals

The 2018 free sample issues of all our Analytical Chemistry journals are now available!

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Advertorial Feature

Shimadzu Europa
Fast gas chromatography

thumbnail image: <font size=3>Shimadzu Europa</font><br />Fast gas chromatography

Routine gas chromatographic analysis not only has to fulfill the specific conditions given by the respective target samples; it also has to cope with additional economically and ecologically driven demands. Reduced cost per sample and high-sample throughput needs affect basic decisions like gas selections and analysis runtimes. All of this ideally without compromising the performance of the gas chromatograph.

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What’s in my tea? See the GC

Ryan De Vooght-Johnson

Jul 16, 2019

thumbnail image: Whats in my tea See the GC

A wide variety of pesticides can be used on tea plants or the harvested leaves, and the measurement of the multiple residues that may be present is challenging. Scientists from the Chinese Academy of Inspection and Quarantine and Agilent Technologies (both Beijing) developed a new method for the analysis of 184 pesticides in tea using GC coupled with time-of-flight mass spectrometry.

Silylated GHB examined by GC

Ryan De Vooght-Johnson

Jul 2, 2019

thumbnail image: Silylated GHB examined by GC

The neurotransmitter γ-hydroxybutyric acid (GHB) occurs naturally in the body, while also having legitimate medical uses and being an abused psychoactive substance. Researchers used GC/IRMS methods to examine the carbon isotope ratio of GHB in urine samples, including the effects of silylation, since this ratio can be used to distinguish between synthetic and natural GHB.

GC-IRMS needs LC to give success

Ryan De Vooght-Johnson

Jun 18, 2019

thumbnail image: GC-IRMS needs LC to give success

Hexabromocyclododecane (HBCD) is a brominated flame retardant that is banned in various regions due to concerns about its environmental effects. Researchers from the Guangzhou Institute of Geochemistry (Chinese Academy of Sciences) used HPLC and GC-IRMS to examine the carbon isotope ratio of HBCD, which is useful for determining the sources of this compound.

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Selected key technologies of the analytical science industry are discussed by Steve Down with reference to burgeoning application areas and the scope for future improvements.

We are proud to announce a new series of educational webinars run in collaboration with Chromedia, COAST, and SciMind, a product of the American Chemical Society. These webinars will build into a must-have set of tutorial materials for the analytical scientist.

Professor Mario Thevis discusses the fundamentals of sports drug testing. A selection of compounds, new challenges, and methods currently employed in doping control laboratories are discussed.

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The Journal of Mass Spectrometry (JMS) publishes papers on a broad range of topics of interest to scientists working in both fundamental and applied areas involving the study of gaseous ions.

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