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

Table 1

Linearized equations for Ln³⁺ sorption kinetics.

Kinetic model	Linear equation	Plot
Pseudo-first-order	ln (Qe − Qt) = ln Qe − k1t	ln (Qe − Qt) versus t
Pseudo-second-order		versus t
Intraparticle diffusion	Qt = kidt^1/2 + C	Qt versus t^1/2