(a) UV-vis spectra of 25 mg/L of MB solution before and after treatment with Fe₃O₄, PS powder, and different Fe₃O₄/PS composites, and (b) the effect of the type of adsorbent on the removal efficiency.

Geahča maid

• EDX of (a) PS powder, (b) 5% Fe₃O₄/PS composite, (c) 10% Fe₃O₄/PS composite, (d) 20% Fe₃O₄/PS composite, and (e) 30% Fe₃O₄/PS composite.
  Dahkki: Tamer S. Saleh (5181146)
  Almmustuhtton: (2025)
• SEM image of (a) PS powder, (b) 5% Fe₃O₄/PS composite, (c) 10% Fe₃O₄/PS composite, (d) 20% Fe₃O₄/PS composite, and (e) 30% Fe₃O₄/PS composite.
  Dahkki: Tamer S. Saleh (5181146)
  Almmustuhtton: (2025)
• Investigation of the MB adsorption by PS and PS/Fe₃O₄ composites. (a) FTIR spectra of PS powder before and after MB adsorption and (b) FTIR spectra of MB before and after treatment with Fe₃O₄/PS composites.
  Dahkki: Tamer S. Saleh (5181146)
  Almmustuhtton: (2025)
• Show the BET N2 adsorption/desorption isotherm for calculating the surface area of Fe₃O₄ (a), and the XRD pattern of Fe₃O₄ (b).
  Dahkki: Tamer S. Saleh (5181146)
  Almmustuhtton: (2025)
• (A) Development of Fe₃O₄/PS adsorbent for MB dye removal, (B) Methylene blue dye structure, and (C) Methyl Orange dye structure.
  Dahkki: Tamer S. Saleh (5181146)
  Almmustuhtton: (2025)