LCGC North America-04-01-2015

LCGC North America

Understanding Electron Ionization Processes for GC–MS

April 01, 2015

The Essentials

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Many of us use electron ionization (EI) in gas chromatography–mass spectrometry (GC–MS) without a good understanding of the technique and how we might manipulate the process to give more appropriate results or a better understanding of the analytes under investigation.

New Chromatography Columns and Accessories for 2015

April 01, 2015

Column Watch

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 Volume 33 Number 4Pages 234-247This is our annual review of new liquid chromatography (LC) columns and accessories introduced at Pittcon and throughout the previous year. This year, Michael Swartz, former author of our "Innovations in HPLC" and "Validation Viewpoint" columns, steps in as a guest columnist to write the review.

MISER LC–MS Analysis of Teas, Soft Drinks, and Energy Drinks

April 01, 2015

Peer-Reviewed Articles

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In this study, we describe a simple and rapid liquid chromatography–mass spectrometry (LC–MS) method for the evaluation of caffeine, taurine, and aspartame in teas, soft drinks, and energy drinks using high performance liquid chromatography (HPLC) coupled with electrospray ionization (ESI)-MS detection and multiple injections in a single experimental run (MISER) analysis.

Vol 33 No 4 LCGC North America April 2015 Regular Issue PDF

April 01, 2015

Issue PDF

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Click the title above to open the LCGC North America April 2015 regular issue, Vol 33 No 4, in an interactive PDF format.