Supercritical CO₂ Assisted Synthesis of EDTA-Fe₃O₄ Nanocomposite with High Adsorption Capacity for Hexavalent Chromium

Figure 6

Effect of absorbent dosage for adsorption of chromium (VI) on IONPs and MIONPs at equilibrium concentration, time of 180 minutes, pH 2, and room temperature.