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© 2021 MJH Life Sciences and Chromatography Online. All rights reserved.
© 2021 MJH Life Sciences™ and Chromatography Online. All rights reserved.
Using a bonded polymeric zwitterionic stationary phase, in HILIC mode, polar quaternary herbicides like Diquat can easily be retained, with good peak symmetry. The impact of ionic strength and organic content in the mobile phase is discussed.