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John Dolan has been writing "LC Troubleshooting" for LCGC for over 25 years. One of the industry's most respected professionals, John is currently a principal instructor for LC Resources, Walnut Creek, California He is also a member of LCGC's editorial advisory board.
Ryan M. Minikis is an analyst at BASi Northwest Laboratory (McMinnville, Oregon).
The authors show how several factors can contribute to a chromatogram's appearance.