John Dolan has been writing "LC Troubleshooting" for 

 for over 20 years. One of the industry's most respected professionals, John is currently the Vice President of BASi Northwest Laboratory, McMinnville, Oregon and a principal instructor for LC Resources, Walnut Creek, California. He is also a member of 

Liquid Chromatography (LC/HPLC)

HPLC

LCGC Europe-01-01-2004

LCGC Europe

This month's column examines several possible causes of peak splitting and presents some guidelines for isolating the problem source.

Understanding Split Peaks