
Liquid chromatography–ion mobility spectrometry–high-resolution mass spectrometry (LC–IMS–HRMS) shows elephant seal pups carry more PFAS than their mothers do.
A straightforward separation of 10 closely related forms of vitamin E with a Kinetex 2.6 µm F5 HPLC column and under reversed-phase conditions. The 10 closely related structures were chromatographically separated by the multiple selectivity interaction mechanisms of the Kinetex F5 phase and Water/Methanol mobile phase.





