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. 2023 Feb 23;415(9):1765–1776. doi: 10.1007/s00216-023-04579-w

Fig. 1.

Fig. 1

Schematic representation of the HF-LPME and PALME (one well) setups, including conditions used in this paper. Abbreviations: AA, aromatic amines; DHE, dihexylether; HCl, hydrochloric acid; NaOH, sodium hydroxide; PP, polypropylene; PVDF, polyvinylidene fluoride; UD, undecane