Separation of Free Fatty Acids by Mixed-Mode Anion Exchange Chromatography

[ APPLICATION NOTE ] A New Mixed-Mode Reversed-Phase/Anion-Exchange Stationary Phase Based on Hybrid Particles Thomas H. Walter, Bonnie A. Alden, Cheryl Boissel, Jessica Field, Nicole Lawrence, Donna Osterman, and Amit Patel Waters Corporation, Milford, MA, USA APPLICATION BENEFITS ■ ■…

Application Note LC-MS Analysis of Underivatized Bisphosphonate Drugs Using Mixed-Mode Reversed-Phase/Anion-Exchange Chromatography Melissa L. Aiello, Kenneth D. Berthelette, Christopher Collins, Thomas H. Walter Waters Corporation, United States Published on September 12, 2025 Abstract Bisphosphonates (BPs) are an important class of…

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…

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,…