Serbuk Kulit Kayu Jabon Putih (Anthocephalus Cadamba Miq.) Didoping Asam Huma…

White jabon bark (Anthocephalus cadamba Miq.) has the potential to be developed as an adsorbent for adsorbing lead(II) metal ions because it has a fairly high cellulose content. This research aims to determine the efficiency and optimum adsorption capacity for variations in pH, contact time and adsorbate concentration of white Jabon bark powder doped with humic acid from peat water on the adsor…