HPLC Column Comparison Screening Study for Reversed Phase Columns

HPLC Column Comparison Screening Study for Reversed Phase Columns Carmen T. Santasania, David S. Bell, and Tracy L. Ascah-Ross Supelco, 595 North Harrison Road, Bellefonte, PA 16823, USA T403157 GIB Introduction The selection of the proper HPLC column for any…

595 North Harrison Road Bellefonte, PA 16823-0048 USA Telephone 800-247-6628 • 814-359-3441 Fax 800-447-3044 • 814-359-3044 email: supelco@s ial.com sigma-aldrich.com/supelco Bulletin 937 Use Discovery to Reduce HPLC Method Development Time Following the Discovery method development protocol and using the Column…

Multi-Dimensional LC/MS Using Orthogonal Reversed-Phase Stationary Phases David S. Bell and Shawn R. Wyatt Supelco 595 North Harrison Road, Bellefonte, PA 16823 T403167 GIL Outline • Introduction - What is multi-dimensional chromatography? - Molecular interactions • Methods using multi-dimensional chromatography…

Troubleshooting Liquid Chromatographic Separations: Avoiding Common Issues through Informed Method Development Practices Dave S. Bell Supelco, Div. of Sigma-Aldrich Bellefonte, PA 16823 USA sigma-aldrich.com/analytical T414096 © 2014 Sigma-Aldrich Co. All rights reserved. Objective •Most of the difficult problems encountered are…