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. 2022 Mar 23;7(13):10944–10954. doi: 10.1021/acsomega.1c06647

Table 1. Adsorption Kinetic Parameters of Two Kinetic Models for Different Adsorbates.

	pseudo-first-order			pseudo-second-order
adsorbate	Q_e (mg/g)	k₁ (1/min)	R²	k₂ (g/mg·min)	Q_e (mg/g)	R²
Pb(II)	148.8	0.01522	0.9940	0.00017	169.8	0.9977
Cd(II)	131.6	0.00924	0.9857	0.00021	138.7	0.9970
Cu(II)	118.2	0.01349	0.9749	0.00016	134.2	0.9978