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ACE Food & Beverage Applications Guide-Hichrom

Perfluoroalkyl Substances by Ion-Pairing LC-MS/MS Conditions Column: ACE UltraCore 2.5 SuperC18 Dimensions: 50 x 2.1 mm Part Number: CORE-25A-0502U Mobile Phase: A: 2 mM ammonium acetate + 5 mM 1-methylpiperidine in MeOH/H2O (5:95 v/v) B: 2 mM ammonium acetate + 5 mM 1-methylpiperidine in MeOH/H2O (95:5 v/v) Flow Rate: 0.3 mL/min Injection: 5 μL Temperature: 35 °C Detection: Agilent 6430 triple quad MS ESI in negative ion mode Capillary voltage: 3000 V Nebulizer pressure: 50 psi Application #AN2560 1. PFBA (m/z 213 169) 2. PFPeA (m/z 263 219) (m/z 263 175) 3. PFBS (m/z 299 99) (m/z 299 80) 4. PFHxA (m/z 313 269) (m/z 313 119) 5. PFHpA (m/z 363 319) (m/z 363 169) 6. PFHxS (m/z 399 99) (m/z 399 80) 7. PFOA (m/z 413 369) (m/z 413 169) 8. PFNA (m/z 463 419) (m/z 463 169) 9. PFOS (m/z 499 99) (m/z 499 80) 10. FOSA (m/z 498 498) (m/z 498 78) 11. PFDA (m/z 513 469) (m/z 513 269) Time (mins) %B 0.0 10 0.3 10 1.0 20 1.5 50 5.0 80 10.0 80 13.0 100 16.0 100 11 Reproduced with permission of Department of Analytical Chemistry, Faculty of Science and Technology, University of the Basque Country, Spain 54 1 2 3 4 5 6 7 8 9 10


ACE Food & Beverage Applications Guide-Hichrom
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