LCGC North America-06-01-2003

GC Connections
LCGC North America

June 01, 2003

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

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.

Sample Prep Perspectives
LCGC North America

June 01, 2003

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

LC Troubleshooting
LCGC North America

June 01, 2003

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