Table 2 The parameters of the pseudo first-order model for the adsorption of Cu(II).

From: Synthesis of NiCo2O4 supported on Chitosan for potential adsorption of copper ions in water samples

Surface

Pseudo first order kinetic model

k1 (mgg− 1)

qe (mgg− 1)

R2

Chitosan

0.018424

504

0.9180921

NiCo2O4@Chitosan

0.039151

630

0.9642065