Fig. 6: Distribution of rejection selectivity as a function of log(1 − RB) for all possible solute pairs tested with different membranes.
From: Ultraselective Macrocycle Membranes for Pharmaceutical Ingredients Separation in Organic Solvents

a TFC18C6, (b) TFCethoxyaniline, (c) TFCisosorbide, (d) TFCMPD, (e) GMT-oNF-2, and (f) DuraMem®150.