Fig. 1From: Adsorptive removal of malachite green dye from aqueous solution onto activated carbon of Catha edulis stem as a low cost bio-adsorbenta Stem of khat (Catha edulis), b chopped stem of khat (Catha edulis), c powdered oven dried sample of khat (Catha edulis), d activated carbon of khat (Catha edulis)Back to article page