Determination of perfluorocompounds in popcorn packaging by pressurised liquid extraction and ultra-performance liquid chromatography-tandem mass spectrometry

► PLE-UPLC-MS/MS method for PFCs in pop-corn packaging. ► PFCs quantitatively recovered in one 6-min PLE cycle with methanol at 100 °C. ► UPLC separation in less than 4 min. ► Levels of PFCAs (different from PFOA) in packaging reported for the first time. ► QTOF mass spectrometry conditions reported for the first time.