LCGC-North America-12-01-2020 | LCGC North America

A Look at Improved Aroma Profiling of Foods by High-Capacity Sorptive Extraction

December 01, 2020

Focus on Food Analysis

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High-capacity sorptive extraction combined with thermal desorption–gas chromatography–mass spectrometry (TD–GC–MS) can improve on traditional methods for the analysis of VOCs and other trace analytes that contribute to the aroma, flavor, and safety of food products.

Ionization Efficiency for Environmentally Relevant Compounds Using Atmospheric Pressure Photoionization Versus Electrospray Ionization (ESI)

December 01, 2020

Peer-Reviewed Article

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Atmospheric pressure photoionization (APPI) and electrospray ionization (ESI) are compared for the mass spectrometry (MS) quantitation of pharmaceuticals frequently detected in environmental waters, including antibiotics, beta blockers, and selective-serotonin reuptake inhibitors.

Tips for Liquid Chromatography Coupled with Charged Aerosol Detection

December 01, 2020

LC Troubleshooting

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Charged aerosol detection is a powerful complement to UV and MS, but successful implementation requires understanding a few key factors, including response dependencies on temperature, nebulization process, analyte volatility, and mobile-phase composition.