LCGC North America-06-01-2003

LCGC North America

A Century of Chromatography — Gas Analysis in the First 50 Years

June 01, 2003

GC Connections

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John Hinshaw examines developments in chromatography before 1952 that established the basis for the modern practice of GC.

Applications of Chiral Ligand–Exchange Chromatography for the Analysis of D- and L-Lactic Acid Content of Wine and Other Foodstuffs

June 01, 2003

Article

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This article reports the application of the SPE-chiral ligand-exchange chromatography technique to monitor D-lactic acid formation during the alcoholic fermentation of white grape must.

Directions in Automated Sample Preparation of Proteins

June 01, 2003

Sample Prep Perspectives

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The guest authors discuss current procedures for protein sample preparation, protein analysis, and automation.

Now What's Going On?

June 01, 2003

LC Troubleshooting

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6

This month's column addresses problems submitted by readers, including negative peaks, pressure increases, and peak-width increases.