Detection of Aristolochic Acid in Cosmetics

Mobile phase: methanol: 0.5% glacial acetic acid aqueous solution = 70:30 (V: V)

Chromatographic column: Supersil ODS2 5μm4.6×200mm

Flow rate: 1.0mL/min

Detection wavelength: 315nm

Injection volume: 20µL

Column temperature: 30℃