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October 2021 | LCGC North America
Selective Detection with UV Spectroscopy in Gas Chromatography
October 01, 2021
Featured Article
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10
UV spectroscopy is an effective approach for tandem or parallel detection in gas chromatography, particularly in separations that require narrow bandwidths, such as GCxGC.
Simple Purification and Ultrahigh-Pressure Liquid Chromatography–Tandem Mass Spectrometry Determination of Five Quinoxaline 1,4-dioxides and their Metabolites in Swine Liver
October 01, 2021
Peer-Reviewed Article
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The UHPLC–MS/MS method can accurately determine the presence of these illegal feed additives in swine tissues.
“Practical HPLC Simulator”: A Useful Freeware for Learning HPLC
October 01, 2021
Column: Perspectives in Modern HPLC
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With a new free simulator, educators and students can perform virtual HPLC experiments under isocratic or gradient conditions applicable to real instrumentation and method development.
Profiling Free Naphthenic Acids in Produced Water Using Gas Chromatography Coupled to High-Resolution Accurate Mass–Mass Spectrometry (GC–HRAM-MS)
October 01, 2021
Column: Column Watch
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This study illustrates the importance of column selection during GC method development.
Retention Factor Is Independent of Pressure in LC, Right?
October 01, 2021
Column: LC Troubleshooting
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As the field moves toward routine use of pressures well above 400 bar, the effect of pressure on retention should not be overlooked.
Fundamentals: To Prep or Not to Prep? That is the Question...
October 01, 2021
Columns
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Understanding the fundamentals of extraction methodologies is critical, and can enable chromatographers to find smart solutions to tackle the complex composition of different types of samples.