[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>(a) Pseudo 1st order kinetic model and (b) pseudo 2nd order kinetic model for the best adsorption condition.</div>

Adsorption Science & Technology

fig7

Figure 7

Figure 7: [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 7 | [Retracted] Synthesis and Optimization of Cr (VI) Removal from Aqueous Solution by Activated Carbon with Magnetic Fe3O4Nanoparticles by Response Surface Methodology 