Study on Adsorption of Cu and Ba from Aqueous Solutions Using Nanoparticles of Origanum (OR) and Lavandula (LV)

Figure 10

van 't Hoff plots for the metal ion adsorption onto OR and LV (initial pH, 120 rpm, 10 mg/L of metals, and 50 μm size and 0.5 g of adsorbents for 16 h).