Figure 9. Effect of C60(OH)n on Cu(II) adsorption on oMWCNTs as a function of pH at different ionic strength, m/V = 0.5 g/L, T = 25±1°C, C[Cu2+]initial = 1.87×10−4 mol/L, (A) C[C60(OH)n] = 125 mg/L; (B) C[C60(OH)n] = 250 mg/L.
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