Table 1 Kinetic parameters of pseudo-first order and pseudo-second order kinetic models.

From: Fluorescent aminal linked porous organic polymer for reversible iodine capture and sensing

  

Initial concentration (mg g−1)

100

300

Kinetic model

qe (Exp) (mg g−1)

97.9

264.2

Pseudo-1st order

qe (mg g−1)

74.6 ± 0.8

209 ± 2

k1 (g mg−1 min−1)

1.92 × 10–3 ± 2.7 × 10–5

2.13 × 10–3 ± 2.7 × 10–5

R2

0.973

0.977

Pseudo-2nd order

qe (mg g−1)

96.9 ± 0.2

277.8 ± 0.6

k2 (g mg−1 min−1)

5.53 × 10–5 ± 4.6 × 10–7

1.70 × 10–5 ± 1.2 × 10–7

R2

0.999

0.999

  1. qe adsorbed amount at equilibrium, k1 and k2 are the pseudo-first-order and pseudo-second-order constants, respectively, of the adsorption process.