Table 3: Isotherm parameters for the removal of Pb (II) by cow hoof at different temperatures.

Isotherm ParameterTemperature (K)
298308318

(mgg−1)8.640 8.9129.52
Langmuir (Lmg−1)0.65 0.850.52
0.98540.99690.9888
(  g−1m )3.0973.3942.909
Freundlich 2.5032.502.164
0.7478 0.83880.824
(mgg−1)5.7196.9487.38
D-R (Mol2KJ−2)−0.0878−0.0935−0.1742
(KJmol−1)2.386 2.3121.694
0.68020.84720.8803