Gas Chromatography (GC)

This article describes important aspects of food metabolomics using tomato paste as an example of this approach in practice.

The first installment in this series on valves presents basic concepts, applications, and implementations.

Now in its fourth year, the LCGC Awards have quickly grown into one of the premier honors for both emerging and veteran practitioners of chromatography.

In response to the recent discovery of dangerous levels of dioxins in animal feed produced in Germany, Phenomenex has announced its publication of a method for analysing the chemicals using high-resolution gas chromatography with mass spectrometric detection.

It is expected that new developments in analytical chemistry will increase the value of food metabolomics in the future.

Global Industry Analysts (GIA) has released a global report on the biotechnology instrumentation markets that predicts that it will reach $5.8 billion by the year 2015.

Incognito inspires us to improve the way we work by sharing his New Year's resolutions that will make for better working practices.

A look at the effect of choosing hydrogen carrier gas on column selection and when using direct-interface GC–MS

A practical guide on how to get the most from porous layer open tubular gas–solid chromatography columns.

A novel and sensitive approach for analysing high-molecular-weight phthalates is described.

This article demonstrates the superiority of the GC-MS approach over spectrophotometry.

John Hinshaw investigates the influence that choosing hydrogen carrier has on column selection and operation with direct-interface GC?MS.

There are four types of poisonous frogs known to secrete lipid?soluble alkaloids derived from their food. The discovery of these skin alkaloids in a fifth species in Cuba could provide new clues to these amphibians? evolution.

A method based on SPME and GC–MS was developed to analyse chlorophenols and their metabolites in aqueous samples.

Incognito concludes with a discussion on attempts to improve the selectivity of GC separations.

Part 2 of the series looks at the effects of peak tailing on resolution and peak overlap.

The authors evaluate a method for detecting pesticide residues in dandelion root powder.

John Hinshaw concludes his series on the effects of peak tailing.

Industry veteran Thomas Beesley takes readers on a tour of his experiences in chromatography.

The development of a microfabricated comprehensive GC that can be used as a portable measurement device.

The concluding part of the series focuses on testing quantitative area measurment.

Incognito turns his attention in the second part of this series to looking at ways of decreasing analysis time in capillary GC.

Joining us for a discussion on gas chromatography this month are Eric Phillips of Thermo Fisher Scientific and Ngoc Nguyen of Phenomenex.

The increasing need for even more sensitive analyses of harmful substances brings new pressure on gas chromatography (GC) analytical methods.

Speaking to Konik-Tech about the development of a new system combining LC and GC technology.

Using narrow-bore column fast GC combined with rapid scanning qMS to analyse flavours and fragrances is described.

The authors explain the operational considerations for switching from helium to hydrogen in the separations lab, as well as discussing options.

GC expert Jaap de Zeeuw explores the historical development of PLOT columns, covers details of the most popular stationary phases, and provides practical hints.

Part 2 of the series looks at the effects of peak tailing on resolution and peak overlap.

In Part II of this series, John Hinshaw covers the effect on tailing peak measurements when the peaks start to merge, following on from Part I, which discussed nontailing peaks.