Theoretical Model |
NaCl concentration (mmol L−1) |
200 |
600 |
800 |
1000 |
Langmuir |
|
|
|
|
Kd (µmol L−1) |
0.2751 |
0.6374 |
0.8472 |
1.1984 |
qm(mg/mg gel) |
274.40 |
264.55 |
263.59 |
241.61 |
Freundlich |
|
|
|
|
K (10-3L/mg gel) |
176.2 |
150.7 |
135.7 |
116.7 |
η |
2.6207 |
2.0082 |
1.8562 |
1.6259 |
Temkin |
|
|
|
|
KT(L moL−1) |
22.5191 |
6.6284 |
4.5021 |
2.594 |
qT(mg/mg gel) |
57.9874 |
77.4595 |
83.3876 |
95.5819 |
Langmuir-Freundlich |
|
|
|
|
K*d(mM) |
0.318 |
0.4502 |
0.3872 |
0.2785 |
qm(mg/g gel) |
242.2 |
244.7 |
237.8 |
178.5 |
η |
1.85 |
1.16 |
1.12 |
0.99 |
|
a Buffer composition: HEPES 20mmol L−1; 200-1000mmol L−1 NaCl; pH 8.0; 30°C. |
Table 1: Estimated parameters of isotherm models for adsorption of whey lactoferrin on IDA-Cu2+- cryogel system at different ionic strength conditionsa. |