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. 2020 May 25;8:398. doi: 10.3389/fchem.2020.00398

Table 3.

Adsorption isotherm constants of Ce(III) and Gd(III) onto CMC-g-PAM/ATP.

Langmuir model Freundlich model
Metal qe, exp (mg/g) qm (mg/g) b (L/mg) R2 K n R2
Ce3+ 205.48 205.56 0.7734 0.9999 86.68 5.57 0.6563
Gd3+ 216.73 224.52 0.1489 0.9973 56.73 3.58 0.6148