Sorption of Uranium(VI) and Thorium(IV) by Jordanian Bentonite

Table 9

Thermodynamic functions for Thorium(IV) and Uranium(VI).

Metal ion	pH	Δ𝑆^∗; (kJ/mol·K)	Δ𝐻^∗; (kJ/mol)	Δ𝐺^∗; (kJ/mol) 298 (K)
	1	−0.027	−6.355	1.691
Th(IV)	2	−0.009	−4.086	−1.404
	3	−0.0003	−3.551	−3.462
	1	−0.037	−6.753	4.273
U(VI)	2	−0.026	−5.529	2.219
	3	−0.017	−3.813	1.253