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. 2019 Nov 7;12(22):3671. doi: 10.3390/ma12223671

Figure 6.

Figure 6

Adsorption isotherms and adsorption efficiency of 18β-glycyrrhetinic acid onto: (A) SBA-15-AP, (B) SBA-15-MAP, (C) SBA-15-DMAP, and (D) SBA-15-AEAP mesoporous sorbents.