A New Mixed-Mode Reversed-Phase/Anion-Exchange Stationary Phase Based on Hybrid Particles

EVALUATION OF NEW MS-COMPATIBLE MIXED-MODE RP/AX HPLC COLUMNS Thomas H. Walter1, Bonnie A. Alden1, Melvin Blaze1, Cheryl Boissel1, Donna Osterman1, Amit V. Patel1, Paul Rainville2, Kerri M. Smith2, Jinchuan Yang2 1 Chemistry Operations, Waters Corporation, Milford, MA, USA, 2Scientific Operations,…

IMPROVED PERFORMANCE OF MODERN MS-COMPATIBLE REVERSED-PHASE/ANION-EXCHANGE MIXED-MODE HPLC COLUMNS Thomas H. Walter, Bonnie A. Alden, Melvin Blaze, Cheryl Boissel, Donna Osterman, Amit V. Patel, Mathew DeLano, Nicole Lawrence, Jessica Field, Moon Chul Jung, Waters Corporation, 34 Maple Street, Milford, MA…

New Reversed-Phase Materials for the Separation of Polar Acidic Compounds Bonnie Alden, Melvin Blaze, Cheryl Boissel, Darryl W. Brousmiche, Jessica Field, Kenneth Glose, Nicole Lawrence, Donna Osterman, Thomas H. Walter Waters Corporation, Consumables R&D, Milford MA USA METHODS RESULTS DISCUSSION…

Factors Affecting the Compatibility of Reversed-Phase Chromatographic Materials with Highly Aqueous Mobile Phases 5 Donna Osterman, Bonnie Alden, Cheryl Boissel, Jessica Field, Kenneth Glose, Nicole Lawrence, Thomas H. Walter Waters Corporation, Consumables R&D, Milford MA USA INTRODUCTION METHODS Reversed-phase (RP)…