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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

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