Figure 1.
(A) Effect of pH on the adsorption of malachite green (100 mg L−1) on MIL-100(Fe) (10.0 mg) containing 0.01 M NaCl, and the zeta potential of MIL-100(Fe) (0.4 mg L−1) at 30°C; (B) adsorption isotherms for malachite green on MIL-100(Fe) at different temperatures and pH 5.0. Reproduced from Huo and Yan (2012) with permission from the Royal Society of Chemistry.