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John Dolan has been writing "LC Troubleshooting" for LCGC 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 LCGC's editorial advisory board.
Peaks that are too broad can mean that analysts are not using their LC columns very efficiently. In this month's column, John Dolan describes how to determine if peaks are broader than they should be and highlights some of the common system-related causes of peak broadening.