LCGC North America-12-01-2004

The authors look at two types of method modification from a scientific and regulatory standpoint: a change of column and a change in the operating system. Both are difficult to avoid if a method is used for several years.

Index
LCGC North America

December 01, 2004

LC Troubleshooting
LCGC North America

December 01, 2004

While some variation in retention is normal, larger changes from run to run are generally indicative of a problem. Here, the auther discusses how the retention time of a peak in an LC separation can be a useful diagnostic tool to identify problems with a separation.

LCGC North America

December 01, 2004

LCGC North America

December 01, 2004

GC Connections
LCGC North America

December 01, 2004

In this first of a two-part installment, John Hinshaw discusses the relative effects that inlet pressures and oven temperatures have on capillary gas chromatography.