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© 2022 MJH Life Sciences™ and Chromatography Online. All rights reserved.
Material identification is a common need in many industries, most notably for pharmaceutical manufacturing where the United States Pharmacopeial Convention (USP) defines many identification tests.
A method is described that incorporates a mobile-phase gradient consistent with a HILIC separation mechanism and uses a mixed-mode column, which provides reversed-phase and cation-and anion-exchange properties, and charged aerosol detection.