Lloyd R Snyder

Lloyd R. Snyder, PhD, is a Principal at LC Resources in Walnut Creek, California. He is the author or coauthor of several books including An Introduction to Separation Science, Introduction to Modern Liquid Chromatography, Second Edition, the bestselling Practical HPLC Method Development, Second Edition, and the comprehensive High-Performance Gradient Elution, all published by Wiley.Joseph J. Kirkland, PhD, is Vice President of Research and Development for Advanced Materials Technology, Inc., and coauthor of Introduction to Modern Liquid Chromatography, Second Edition, Practical HPLC Method Development, Second Edition, and Modern Size-Exclusion Liquid Chromatography, Second Edition, all published by Wiley.John W. Dolan, PhD, is a Principal at LC Resources. He is author of the popular "LC Troubleshooting" column in LCGC magazine and coauthor with Lloyd Snyder of Troubleshooting LC Systems and High-Performance Gradient Elution.