Nickel Removal from Aqueous Solution Using Chemically Treated Mahogany Sawdust as Biosorbent

Table 5

Thermodynamic parameters for the adsorption of Ni (II) onto sawdust.

T (K)	ΔG° (kJ/mol)	ΔH° (kJ/mol)	ΔS° (kJ/(mol·K))
298	−6.434	2.865	0.0312
308	−6.763
318	−7.057