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

Table 5

The 𝐾_𝑑, 𝑛, 𝐾_𝐹, 𝑅², 𝐾_𝐿, and 𝑞_𝑚 values obtained from Langmuir and Freundlich plots for Thorium(IV).

𝐾𝑑	Freundlich model			Langmuir model			𝑇 (°C)
𝐶𝑖=100 ppm	𝑛	𝐾𝐹	𝑅^2	𝐾𝐿 (L/mg)	𝑞𝑚 (mg/g)	𝑅^2
0.504	2.133	5.384	0.958	0.082	40.161	0.995	pH = 1.0
							25
0.440	2.099	4.338	0.979	0.063	36.631	0.994	35
0.399	2.100	3.762	0.995	0.047	35.971	0.968	45
1.881	1.502	7.271	0.963	0.066	95.238	0.989	pH = 2.0
							25
1.703	1.476	6.561	0.975	0.058	95.238	0.976	35
1.541	1.437	5.299	0.992	0.043	101.01	0.983	45
4.138	1.606	12.526	0.997	0.112	108.696	0.951	pH = 3.0
							25
3.811	1.437	11.153	0.984	0.090	123.457	0.981	35
3.636	1.352	9.513	0.982	0.069	135.135	0.982	45