Features - Chromatography Online

GC in Forensic Laboratories

April 9, 2014

Tom Brettell recently conducted a survey of GC column use in forensic laboratories in the United States. Here is what he found, in terms of the types of columns they are using and the problems they face.

Classification of Columns for SFC Use

March 10, 2014

A column classification system for SFC to help with method development has been developed. This article demonstrates how the system can be used to select a column when developing a new SFC method.

The Storage and Use of Gases for Gas Chromatography

March 1, 2014

A discussion on the safe storage and use of calibration, carrier, and detector gas cylinders for small or large organizations.

New Chromatography Columns and Accessories at Pittcon 2014, Part I

April 1, 2014

New product introductions in the areas of HPLC columns for reversed-phase LC, HILIC, ion-exchange and ion chromatography, SEC, and specialty columns for specific types of analyses are covered.

Metabolomics in Food and Nutrition Laboratories

April 1, 2014

A look at the various strategies and tools related to metabolomics applied to food and nutrition

Analyzing Drugs of Abuse

March 28, 2014

Nick Snow of Seton Hall University studied the presence of drugs of abuse in various complex matrices to detect trace quantities of drugs of abuse using GCxGC–TOF–MS as his method of choice.

LC–MS–Based Methods for Identifying Drugs of Abuse in Oral Fluids for Forensic Toxicology Applications

March 20, 2014

This article reviews key developments and potential advantages of using LC–MS for forensic toxicology, including the option of using oral fluid samples.

Eliminating Matrix Effects

March 6, 2014

Frederic Lynen discusses why LC–MS is the ideal analytical tool for the quantitative analysis of analytes in biological samples, and presents a new HILIC-based SPE approach to improve analyte recovery and sensitivity.

LC Method Scaling, Part II: Gradient Separations

March 1, 2014

If scaling isocratic separations is so simple, why is gradient scaling so confusing?


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