Table 2 Langmuir and Freundlich parameters for the desorption of iAs on CoFe2O4@MIL-100(Fe).

From: CoFe2O4@MIL-100(Fe) hybrid magnetic nanoparticles exhibit fast and selective adsorption of arsenic with high adsorption capacity

Langmuir model

Freundlich model

 

T (°C)

qmax (mg g−1)

kL (L mg−1)

R2

kF (mg g−1)

n

R2

As(V)

25

114.8

0.14

0.98

12.80

1.95

0.88

40

129.9

0.14

0.98

14.27

1.91

0.88

50

136.1

0.19

0.99

16.06

1.89

0.87

As(III)

25

143.6

2.60 × 10−2

0.93

3.51

1.29

0.98

40

153.0

2.65 × 10−2

0.93

3.77

1.28

0.99

50

167.5

2.69 × 10−2

0.93

4.18

1.29

0.99

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