Fig. 9From: Adsorptive removal of malachite green dye from aqueous solution onto activated carbon of Catha edulis stem as a low cost bio-adsorbentPseudo 2nd order kinetics graph at different contact time (10–70 min) at fixed concentration 50 mL of 10 mg/L, dose 0.5 g, pH = 10 and at room temperatureBack to article page