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

Table 7

Chemical properties of Thorium(IV) and Uranium(VI).

U(VI)	Th(IV)	Metals
0.97	1.19	Ionic radius (Å)
4.69	4.00	Hydrolysis constant at 0.1 M NaClO4 (𝑝𝐾ℎ)
−3958	−3332	Hydration energy (kJ/mol)