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Separation of 1,5-Naphthalenedisulfonic Acid HILIC Retention of 1,5-Naphthalenedisulfonic Acid on Obelisc N Mixed-Mode HILIC Columns  Naphthalenedisulfonic acid is retained by anion-exchange mechanism on Obelisc N mixed-mode HILIC column. Retention time is controlled by amount of ion in the mobile phase. Method demonstrates very good peak shape and controllable retention. This mixed-mode approach can be used for quantitation of various sulfonic acid in different matrices. UV, ELSD or LC/MS can be used for quantitation. Application Analytes: Sulfonic Acid 1,5-Naphthalenedisulfonic Acid Application Detection: UV Detection ELSD/MS Detection Separation of Organic Acids in HILIC and Anion-Exclusion Mode on Primesep S2 Column
Organic acids were separated on a HILIC/cation-exchange column in HILIC/anion-exclusion mode. This column can be used for analysis of polar compounds in HILIC mode. If compounds are ionizable, additional mode of interaction can be added (cation-exchange or anion-exclusion). Application Analytes: 3.5-dihydroxybenzoic acid Ascorbic Acid p-Toluenesulfonic Acid (PTSA) 1,5-Naphthalenedisulfonic Acid Application Detection: UV Detection |
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