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
Analysis of mineral oil in environmental samples according to H53

thumbnail image: <font size=3>Shimadzu Europa</font><br />Analysis of mineral oil in environmental samples according to H53

Since mineral oil hydrocarbons are difficult to biodegrade, it is very important to control the contamination of environmental samples by MOHs. The analysis of mineral oil hydrocarbons in drinking water, surface water, and waste water is defined by the European standard EN ISO 9377-2, colloquially referred to as H53. The Nexis GC-2030 with OCI-2030 injector enables efficient H53 measurements as short narrow-bore columns can be combined with a retention gap or a simple on-column liner. With the help of...

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Ezines

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A new type of thermal modulator, acting as the interface between the two separation columns in 2D GC, has been recently introduced. Researchers from the University of Messina, Italy, examined the effects of various parameters of the unit on the 2D GC’s performance, looking at a mixture of three alkanes and a sample of diesel fuel.

Photoionisation aids crude oil separation

Ryan De Vooght-Johnson

Jan 28, 2019

Despite its economic importance and environmental impact, the analysis of crude oil remains a challenge owing to the vast numbers of compounds present, including many isomers. Researchers from the Max Planck Institute for Coal Researcj (Mülheim an der Ruhr, Germany) used GC in combination with Orbitrap mass spectrometry and both electron ionisation and photoionisation to examine a light crude oil condensate, separating some of the isomers present.

The presence and identification of cutting agents in seized drug exhibits collected in two U.S. states has been confirmed by a dilute‐and‐shoot procedure involving GC/MS followed by LC/MS on a quadrupole-time-of-flight instrument.

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Education

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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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Journals

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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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