[Retracted] Synthesis and Optimization of Cr (VI) Removal from Aqueous Solution by Activated Carbon with Magnetic Fe<sub>3</sub>O<sub>4</sub>Nanoparticles by Response Surface Methodology

<div>Effects of adsorption time and concentration on adsorption rate.</div>

Adsorption Science & Technology

fig2

Figure 2

Figure 2: [Retracted] Synthesis and Optimization of Cr (VI) Removal from Aqueous Solution by Activated Carbon with Magnetic Fe<sub>3</sub>O<sub>4</sub>Nanoparticles by Response Surface Methodology 

Figure 2 | [Retracted] Synthesis and Optimization of Cr (VI) Removal from Aqueous Solution by Activated Carbon with Magnetic Fe3O4Nanoparticles by Response Surface Methodology 