Pseudo second order

Pseudo first order

R²

k₂ g/mg∙min

q_e,cal mg/g

R²

k₁ 1/min

q_e,cal mg/g

q_e,exp mg/g

Metal ions

0.999

0.056

12.53

0.813

0.036

2.254

12.13

Ni(II)

0.999

0.023

10.33

0.743

0.080

4.305

9.18

Zn(II)