The first work where 24 PFASs are determined in packaging samples.
The optimization of a simple and fast UPAE extraction.
Good apparent recoveries and MDLs for all target analytes.
High concentrations of PFASs in microwave popcorn bag.
6:2 FTCA, 6:2 FTUCA and 5:3 FTCA detected for the first time in popcorn bag.