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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Oxygenation of heavy petroleum fractions can produce more valuable products, but the analysis of the resultant complex mixture is challenging owing to the many species present. Researchers from Sasol’s laboratories in Sasolburg (South Africa), the University of Pretoria and Tel Aviv University used initial purification by solid-phase extraction or supercritical fluid chromatography followed by separation by GC-MS with supersonic molecular beams to separate a mixture of oxygenated petroleum...

A simple method for the collection and GC/MS analysis of the four brominated and chlorinated trihalomethanes in air samples has been developed and applied to indoor air from swimming pools.

Protectant permits precise pesticide appraisal

Ryan De Vooght-Johnson

Apr 2, 2019

thumbnail image: Protectant permits precise pesticide appraisal

The insecticide buprofezin is widely used on vegetables, fruit and rice, but determination of the residue levels in crops can be challenging. Scientists from the Agricultural Research Centre at Giza, (Egypt) and the Food Safety Laboratory at Buraydah (Saudi Arabia) used GC-MS, along with the addition of d-sorbitol to supress matrix effects, to determine buprofezin residues in cabbage and cauliflower.

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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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