Aspartic Acid- and Glycine-Functionalized Mesoporous Silica as an Effective Adsorbent to Remove Methylene Blue from Contaminated Water

Figure 6

Effect of pH on adsorption behavior of MB by CTAB free MSNs, Asp-MSNs, and Gly-MSNs ( = 50 mg·L,  =10 mL,  =298 K).