Studies on Adsorption of Fluorescein Dye from Aqueous Solutions Using Wild Herbs

Figure 11

Langmuir and Freundlich isotherms plots for the FD adsorption by JH and SH (adsorbent dosage, 0.5 g; concentration of FD, 10 mg/l; solution volume, 100 mL; contact time, 16 h; and temperature, 25°C).