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Identification of migrants In order to identify the compounds migrating from the kitchenware to the food simulants the technique UPLC-IMS/QTOF was selected. This technique provides not only mass accuracy and molecular fragmentation that are parameters needed for molecular elucidation; it also provides ion mobility separation. Each compound analyzed has a collision cross section (CCS) value that will be related to its chemical structure and three-dimensional conformation. Table 1 shows the compounds identified, retention time, m/z detected by UPLCIMS-Q-TOF, theoretical m/z, elemental composition and CCS value obtained for each one. Figure 1 shows the low and high energy spectrum for PA 6 tetramer

jornada de jóvenes investigadores del i3a

Identification of Polyamide 6 and Polyamide 66 Oligomers Using Ion Mobility Time-of-flight Mass Spectrometry and Risk Assessment Study of Their Migration from Kitchenware to Foodstuff