Figure 3

Effect of dosage (A,D), pH (B,E) and contact time (C,F) on adsorption behavior of MB, MV (C0 = 30 mg L−1, V = 25 mL, temperature was 298 K) and Pb(II) (C0 = 30 mg L−1, V = 10 mL, temperature was 298 K). Error bar = SD (n = 2).
Effect of dosage (A,D), pH (B,E) and contact time (C,F) on adsorption behavior of MB, MV (C0 = 30 mg L−1, V = 25 mL, temperature was 298 K) and Pb(II) (C0 = 30 mg L−1, V = 10 mL, temperature was 298 K). Error bar = SD (n = 2).