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. 2020 Nov 26;10:20672. doi: 10.1038/s41598-020-77809-1

Figure 7.

Figure 7

The effect of pH on the removal of Copper, Lead, and Cadmium (adsorbent dose = 1.5 g L−1; Temperature is 25 °C; initial metal concentration is 150 mg L−1 and the contact time is 300 min) of (A) ZnAl LDH and (B) ZnAl HMTA LDH. The indicate data are presented as the mean (± SD) from three independent experiments.