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ACE Food & Beverage Applications Guide-Hichrom

Separation of Preservatives Application #AN2230 Conditions Column: ACE Excel 1.7 C18 Dimensions: 50 x 3.0 mm Part Number: EXL-171-0503U Mobile Phase: 20 mM potassium phosphate pH 2.5 in MeCN/H2O (30:70 v/v) Flow Rate: 0.43 mL/min Injection: 0.7 μL Temperature: 20 °C Detection: UV, 230 nm 1 2 3 4 5 6 7 8 9 min mAU 140 120 100 80 60 40 20 0 2 1 3 4 5 6 66 1. Phthalic acid 2. 4-Hydroxybenzoic acid 3. Sorbic acid 4. Methyl paraben 5. Ethyl paraben 6. Propyl paraben


ACE Food & Beverage Applications Guide-Hichrom
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