Metal
Temperature °C
Langmuir Isotherm
Freundlich Isotherm
Q°(mg/g)
b×10
3
(dm
3
/mg)
R
2
1/n
K
R
2
Cadmium
30
31.25
71.51
0.979
0.632
0.421
0.982
60
16.39
7.37
0.987
0.511
0.013
0.953
Chromium
30
71.43
1930.50
0.963
0.742
1.073
0.931
60
76.92
160.93
0.944
0.479
0.343
0.926
Lead
30
111.11
487.33
0.99
0.694
0.680
0.989
60
166.67
400.64
0.996
0.843
0.176
0.999
Zinc
30
322.58
333.80
0.999
0.881
0.117
0.999
60
1000.0
556.17
0.999
1.017
0.300
0.998
Table 1:
Freundlich & Langmuir isotherm parameters for Cd, Cr, Pb, and Zn.
