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Comparison of high-performance liquid chromatography-gas chromatography with flame ionization detection (HPLC-GC-FID) and comprehensive 2D-GC×GC-MS (GC×GC-MS) chromatograms resulting from migration experiments (a) HPLC-GC-FID chromatogram of LLDPE film, (b) GC×GC-MS chromatogram of LLDPE film, (c) HPLC-GC-FID chromatogram of LLDPE film + donor, and (d) GC×GC-MS chromatogram of LLDPE film + donor.
