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. 2024 Nov 23;9(49):48256–48272. doi: 10.1021/acsomega.4c05763

Figure 6.

Figure 6

(a) Influence of pH on drug adsorption by organophilic vermiculites (conditions: 24 h, 25 °C, 25 mg mass adsorbent and Ci = 10 mg L–1), (b) diclofenac speciation as a function of pH and (c) zeta potential (ζ) measurements of Na-Ver and organophilic vermiculites.