HPLC Analysis of 2-Naphthanesulfonic Acid and Related Impurities on Heritage MA Mixed-Mode Column

Conditions of Experiment
Column: Heritage MA
Separation Modes: reversed-phase and anion-exchange
Column Dimenstions: 4.6 x 50 mm
Mobile Phase: 40% ACN with 120 mM AmFm pH 3
Detection: UV 255 nm
Sample: 0.3 mg/ml
Injection: 3 uL
Flow rate: 1.2 mL/min
Analytes
Class of compounds: Aromatic acid, Aromatic base, Drug, Organic acid
Nature of compounds: Acidic, Basic, Hydrophilic, Hydrophobic
Compounds: 2-Naphthanesulfonic acid, Related Impurities