LCGC North America-10-01-2003

LCGC North America

Response to the 2003 Gas Chromatography User Study — Trends in Column Use and Techniques

October 01, 2003

Column Watch

21

10

Majors analyzes results from LCGC's GC user survey, which was conducted in January 2003.

Coupling Liquid-Phase Separations and MALDI–MS

October 01, 2003

Directions in Discovery

21

10

Wehr discusses strategies for coupling LC and CE with MALDI–MS for use in proteomic studies.

Appendix for "Separation of Toxic Coplanar PCB Congeners . . ."

October 01, 2003

Article

21

10

Appendix for "Separation of Toxic Coplanar PCB Congeners . . ."

Source Design and the Utility of Multimode Ionization

October 01, 2003

MS - The Practical Art

21

10

This new column looks at the current importance of electrospray ionization and emerging approaches for samples that require ionization by other means, including a new technology, multimode ionization.

Separation of Toxic Coplanar PCB Congeners from Other Congeners in Marine Sediments and Marine Fish Tissues Using Florisil and GC–ECD

October 01, 2003

Article

21

10

This article describes a sample extraction and cleanup procedure for removing toxic PCB congeners from other congeners in polluted marine and estuarine sediment and fish. The resulting extracts are analyzed by GC–ECD.

How Much Is Enough?

October 01, 2003

LC Troubleshooting

21

10

Dolan presents two situations in which experimental evidence is used to determine the best operating conditions.