Kinetic Studies on the Removal of Some Lanthanide Ions from Aqueous Solutions Using Amidoxime-Hydroxamic Acid Polymer

Table 3

Intraparticle diffusion kinetic parameters for Ln³⁺ sorption.

Ln^3+	kid (mg·g^−1·min^−1/2)	C (mg·g^−1)	R^2
La^3+	0.0047	1.6228	0.9195
Nd^3+	0.0056	1.7380	0.9536
Sm^3+	0.0098	2.0938	0.9836
Gd^3+	0.0102	2.1326	0.9603
Tb^3+	0.0134	2.2314	0.9265