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ACE Food & Beverage Applications Guide-Hichrom

Paraben Preservatives Application #AN1250 Conditions Column: ACE 3 Phenyl Dimensions: 150 x 2.1 mm Part Number: ACE-115-1502 Mobile Phase: 25 mM ammonium acetate pH 6.8 in H2O/MeOH (50:50 v/v) Flow Rate: 0.2 mL/min Injection: 2 μL Temperature: 40 °C Detection: UV, 240 nm 1. Methyl paraben 2. Ethyl paraben 3. n-Propyl paraben 4. i-Butyl paraben 5. n-Butyl paraben 6. Benzyl paraben 1 2 3 4 5 6 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 T im e m i n m A U -1 0 -1 5 -2 0 -2 5 -3 0 2 4 6 8 10 12 14 16 18 mins Reproduced with permission of The Chemical Analysis Facility, University of Reading 52


ACE Food & Beverage Applications Guide-Hichrom
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