LCGC North America-10-01-2002

Column Watch
LCGC North America

October 01, 2002

Guest author Steve Griffin identifies the fundamental problems in capillary manufacturing techniques that cause capillary defects and suggests some corrective actions.

GC Connections
LCGC North America

October 01, 2002

John Hinshaw discusses the measurement of column flow and its interrelationship with carrier-gas velocity.

In Memory
LCGC North America

October 01, 2002

Leslie Ettre remembers A.J.P. Martin, inventor of partition, paper, reversed-phase, and gas–liquid partition chromatography.

This article provides theoretical background, experimental data, and practical considerations about the effects of organic modifiers on analyte ionization in reversed-phase LC.

LC Troubleshooting
LCGC North America

October 01, 2002

John Dolan examines problems associated with adjusting gradients in reversed-phase LC.

To the Editor
LCGC North America

October 01, 2002

Letters about calculating peak asymmetry and gas cylinder safety.

Directions in Discovery
LCGC North America

October 01, 2002

Tim Wehr looks at the requirements of multidimensional LC and provides examples of some systems used in proteomics.

The authors studied the retention behavior of reversed-phase HPLC columns under 100% aqueous mobile-phase conditions.