From: The use of Phanerochaete chrysosporium for modification of bentonite for preconcentration and determination of heavy metals
Metal ion
Langmuir isotherm method
Freundlich isotherm method
b
Q0
R2
RL
Kf
n
Cu2+
1.321
0.433
0.977
0.806
0.362
0.123
0.932
Cd2+
1.450
0.331
0.943
0.745
0.188
0.058
0.954