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Table 1 The fitted parameters for equilibrium and kinetic adsorption of Pb (II) by Fe3O4@C sample

From: A Hydrothermal Synthesis of Fe3O4@C Hybrid Nanoparticle and Magnetic Adsorptive Performance to Remove Heavy Metal Ions in Aqueous Solution

Sample [Pb(II)]o (mg/L) qe,exp (mg/g) qe,cal (mg/g) k2 × 10−3 (g mg−1 min−1) R 2 Removal (%, 24 h)
Fe3O4@C 10 24.84 24.94 8.57 0.999 99.4
30 74.07 74.51 2.03 0.999 98.7
50 119.74 120.77 0.89 0.999 95.8