Metal ions

Langmuir model

Freundlich model

Q₀ (mg∙g⁻¹)

B × 10² (l∙mg⁻¹)

R_L

r²

K_F (mg∙g⁻¹)

n

r²

Cd (II)

13.17

4.1

0.30

0.990

2.17

3.16

0.910

Cr (VI)

12.61

0.56

0.77

0.997

0.17

1.42

0.979