Fig. 3 | Nature Communications

Fig. 3

From: A supramolecular lanthanide separation approach based on multivalent cooperative enhancement of metal ion selectivity

Fig. 3

Characterization of mixed-metal self-assembled complexes. 1H NMR spectra (400 MHz, CD3CN, 298 K) of a [La4(L1)4](ClO4)12, b [Ce4(L1)4](CF3SO3)12, and c LaIII/CeIII mixed-metal self-assembled complexes. ESI-TOF-MS spectrum d of the LaIII/CeIII mixed-metal self-assembled complexes (ClO4− salts) with insets showing the observed (Obs.) and fitted isotope patterns of the 5 +  peak from simulations (Sim.) of the component signals

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