
Keywords: CPD; coco peat powder; MCPD; magnetic coco peat powder; ODA; octadecylamine; PDA; polydopamine; Tris; tris(hydroxymethyl)aminomethane; Tris-HCl; Tris(hydroxymethyl)aminomethane hydrochloride; Coco peat powder; Fe3O4 nanoparticles; Polydopamine; Magnetic o