Fig. 4. TEM images of H-S@CZMA-LDHs obtained after immersing H-S@MA-LDO in solutions containing Cu2+ + Zn2+ at a concentration of 20 mM (A), 40 mM (B), 60 mM (C) and 80 mM (D) and Mg, Al, Cu, Zn elemental EDX mapping of H-S@CZMA-LDH_20 mM (E).
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