November 2000 | LCGC North America

LCGC North America

GC Ovens — A Hot Topic

November 01, 2000

GC Connections

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John Hinshaw looks at various means to heat GC columns.

Evaluating the Isolation and Quantification of Sterols in Seed Oils by Solid-Phase Extraction and Capillary Gas–Liquid Chromatography

November 01, 2000

Article

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The authors describe two tests performed using SPE. The first involved sterol isolation and cleanup of seed oils, and the second analyzed crude seed oils.

A Special Report on HPLC 2000

November 01, 2000

Column Watch

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Ron Majors highlights presentation from the 24th International Symposium on High Performance Liquid Phase Separations and Related Techniques.

A.A. Zhukhovitskii — A Russian Pioneer of Gas Chromatography

November 01, 2000

Milestones In Chromatography

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This column discusses the activities of a Russian pioneer of GC and outlines the principles of some of the techniques he developed.

Hybrid Organic–Inorganic Particle Technology: Breaking Through Traditional Barriers of HPLC Separations

November 01, 2000

Article

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The authors describe reversed-phase HPLC based on hybrid particles and demonstrate the packing's retention and selectivity characteristics.

Fast, Efficient Separations in Drug Discovery — LC–MS Analysis Using Column Switching and Rapid Gradients

November 01, 2000

Directions in Discovery

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Guest author S.R. Needham describes an HPLC–tandem MS method that rapidly analyzes drugs and isobaric metabolites in complex matrices.

The Problem of Late Elution — A Case Study

November 01, 2000

LC Troubleshooting

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This month's installment illustrates some potential problems that may arise during method transfer.