Thermodynamics of Cadmium Sorption on Different Soils of West Bengal, India

Table 4

Freundlich constants of Cd sorption in soils (data represent mean of tree replications ± SD).

Sample ID	Temperature (°C)	Freundlich constants
		𝐾𝑓	𝑛	𝑅^2
S1	25	3.228±1.17	2.298±1.05	0.934**
	35	2.503±1.71	3.763±2.01	0.925**
	45	10.028±2.13	3.824±1.36	0.981**
S2	25	4.833±1.22	2.339±1.24	0.937**
	35	10.447±2.19	3.419±1.65	0.952**
	45	17.968±3.17	4.771±1.24	0.931**
S3	25	7.264±2.13	2.145±1.05	0.965**
	35	12.362±1.78	2.685±1.04	0.930**
	45	16.413±4.01	2.899±1.10	0.916**
S4	25	1.938±0.27	1.996±0.99	0.964**
	35	4.899±1.11	3.171±1.50	0.901**
	45	7.998±2.17	4.117±2.05	0.945**
S5	25	1.241±0.01	1.808±1.09	0.979**
	35	2.079±0.07	2.155±1.00	0.935**
	45	5.451±1.78	3.588±2.04	0.952**

∗∗Significant at 1% level.