Fig. 1From: Adsorption of Cadmium Ions from an Aqueous Solution on a Highly Stable Dopamine-Modified Magnetic Nano-Adsorbenta X-ray diffraction (XRD) patterns of (a) standard Fe3O4, (b) synthesized Fe3O4, and (c) Fe3O4@PDA; TEM images of b Fe3O4, c Fe3O4@PDA, d Fe3O4@PDA-Cd2+, and e Fe3O4@PDA of the 10th adsorption–desorption cyclesBack to article page