Fig. 10

Surface plot of AUC of methamphetamine and pseudoephedrine (A) pH vs. adsorbent and (B) adsorbent vs. time (C) pH vs. time and (D) pH vs. time for Fe3O4/C-nanodot/GO composite
Surface plot of AUC of methamphetamine and pseudoephedrine (A) pH vs. adsorbent and (B) adsorbent vs. time (C) pH vs. time and (D) pH vs. time for Fe3O4/C-nanodot/GO composite