DETERMINATION OF THE ADSORPTION CAPABILITY OF ACTIVATED CARBON DERIVED FROM ZIZIPHUS MAURITIANA FOR THE REMOVAL OF LEAD AND COBALT. FJS [Internet]. 2020 Apr. 14 [cited 2025 Sep. 12];4(1):401-5. Available from: http://www.fjsadmin.fudutsinma.edu.ng/index.php/fjs/article/view/60