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

Webinar - Wednesday, April 12
Analysis of Environmental Contaminants in Water Using an Agilent 6470 LC/TQ Instrument

The analytical demands for detecting organic contaminants in water at low ng/L level have pushed the development of new methodologies using LC/TQ instrumentation. In this regard, and in the last few years, advances in sensitivity and selectivity have made this challenge possible. This webinar will focus on the use of the new 6470 LC-MS-MS from Agilent Technologies for the sub ng/L level detection of several pharmaceuticals and pesticides in surface waters. Examples of optimization of several source...

Read More thumbnail image: <font color=red>Webinar - Wednesday, April 12<br/></font>Analysis of Environmental Contaminants in Water Using an Agilent 6470 LC/TQ Instrument

Last Month's Most Accessed Feature: The search for stimulant alkaloids: from MS sources to sources of highs

The leaves of the qat (or khat) tree are widely chewed as a stimulant in Yemen and the Horn of Africa; they contain the stimulant alkaloids cathinone, cathine and (1R,2S)-norephedrine. Researchers from Colorado State University examined leaves from 43 related plant species by GC/MS, using a double derivatisation method, in order to determine if any of these contained the same stimulant alkaloids.

Read More thumbnail image: Last Month's Most Accessed Feature: The search for stimulant alkaloids: from MS sources to sources of highs

Advertorial Feature

2017 Edition of Mass Spectra of Designer Drugs

thumbnail image: <font size=3>2017 Edition of Mass Spectra of Designer Drugs</font>

Available now from Wiley and Wiley-VCH, the 2017 edition of Mass Spectra of Designer Drugs

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Ezines

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Frozen meat products can be thawed out and passed off as fresh, chilled meats, thus fetching a higher price. Researchers at Warsaw University of Life Sciences and University College Dublin have developed a method to differentiate between chilled and frozen pork using an electronic nose device containing an ultra-fast gas chromatography unit.

Two methods for the routine assessment of alcohol exposure by hair analysis have been presented, combining analysis of ethyl glucuronide by LC/MS/MS and fatty acid ethyl esters by GC/MS/MS.

Cancer-causing cola compounds caught by GC-MS/MS

Ryan De Vooght-Johnson

Apr 2, 2017

thumbnail image: Cancer-causing cola compounds caught by GC-MSMS

2-Methylimidazole and 4-methylimidazole, compounds found in cola drinks and dark beers, are suspected to be possible carcinogens on the basis of animal studies. Scientists from Woosuk University in South Korea have developed an improved method for methylimidazole analysis using derivatisation followed by GC-MS/MS.

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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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Events

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Future Events

HPLC 2017

Jun 18, 2017

Washington, DC, Czech Republic

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The HPLC 2017 Prague symposium is organized for the first time in the Czech Republic. The HPLC symposium series is well known as the world leading forum for the information exchange among researchers dealing with separations in liquid phases and supercritical fluids.

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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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Webinars

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Analytical Chemistry to Quantify Municipal Wastewater Treatment Technology Performance and Benefits to Environmental Health

Date: May 24, 2017 - 15:00

Continuous improvements in GC/MS and LC/MS have revealed a stunning array of pharmaceuticals and personal care products (PPCPs) in municipal wastewaters. What is known from global studies is that exposure to biologically active compounds, even at ng/L concentrations, can impact endocrine systems in nature and manifest as negative impacts like altered gene regulation, the presence of mixed reproductive tissues (intersex) and skewed sex ratios. Advancing Canadian Wastewater Assets (ACWA) is a research...

thumbnail image: Analytical Chemistry to Quantify Municipal Wastewater Treatment Technology Performance and Benefits to Environmental Health
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Books

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Laboratory Safety for Chemistry Students, 2nd Edition

Robert H. Hill, Jr., David C. Finster

Jun 21, 2016

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Bioanalytical Chemistry, 2nd Edition

Susan R. Mikkelsen, Eduardo Cortón

Feb 12, 2016

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Videos

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Pittcon 2014 Editors' Gold Award – Texas Instruments

Date: Mar 10, 2014

Eileen Skelly Frame talks with this year's Pittcon Editors' Award Gold winners, Texas Instruments, about their DLP NIR scan technology.

thumbnail image: Pittcon 2014 Editors' Gold Award – Texas Instruments
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