April 2022 | LCGC North America

Essentials of LC Troubleshooting, Part II: Misbehaving Retention Times

April 01, 2022

Column: LC Troubleshooting

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Developing a short list of likely causes of retention-time problems in reversed-phase LC makes troubleshooting easier.

New Gas Chromatography Products for 2021–2022

April 01, 2022

Column: GC Connections

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Our annual review of new gas chromatography products.

New HPLC, MS, and CDS Products Introduced in 2021–2022: A Brief Review

April 01, 2022

Column: Perspectives in Modern HPLC

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Our annual review of new high performance liquid chromatography instruments, mass spectrometry systems, and data processing software.

Real-Time Monitoring of Volatile Organic Compounds in Ambient Air Using Direct-Injection Mass Spectrometry

April 01, 2022

Columns

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Newer direct-injection mass spectrometry techniques can improve real-time monitoring of volatile organic compounds.

Laboratory Accreditation Is Not a Cloak of Infallibility

April 01, 2022

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Reviewing your contract laboratory’s QA/QC protocols can reveal much about the accuracy of the data the lab generates. Here is what to look for.

Gaining New Insights in Advanced Polymeric Materials Using Comprehensive Two-Dimensional Liquid Chromatography

April 01, 2022

Featured Article

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Two-dimensional LC, with advanced modulation techniques, can advance the analysis of advanced polymeric materials, assisting in characterizing copolymer composition heterogeneity and identifying ingredients in complex products.

Optimization of Determination Method of Cooling Agents in Cigarette Tipping Paper by Gas Chromatography

April 01, 2022

Peer-Reviewed Article

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This GC–FID method enables accurate determination of cooling agents, which are flavor compounds commonly used in cigarette tipping paper.