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

Figure 5

The effect of particle size on the metal ion adsorption by OR and LV (initial pH, 120 rpm, 10 mg/L of metals, 0.5 g of adsorbents, and 25°C for 16 h).