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Food additives

Food additives
Column TCI Dual ODS-AX10 (5μm)  4.6 mmI.D. X 150 mm
Mobile Phase A:CH3CN / 5 mmoL/L CH3COONH4 = 5 / 95
B:CH3CN / 50 mmoL/L CH3COONH4 = 70 / 30
20-100%B (0-5min), 100%B (5-20min)
Temperature 40 °C
Detection UV 254 nm
Flow Rate 1.0 mL/min
Sample 1.L-Ascorbic Acid (Vitamin C) 2.2-Phenoxyethanol 3.Dehydroacetic Acid 4.Sorbic Acid 5.Benzoic Acid