Sorption Efficiency of a New Sorbent towards Cadmium(II): Methylphosphonic Acid Grafted Polystyrene Resin

Table 4

Thermodynamics parameters for sorption process of Cd(II) on functionalized resin.

ΔH, (kJ·mol^−1)	ΔS, (J·mol^−1·K^−1)	ΔG, (kJ·mol^−1)
—	—	293 K	303 K	313 K	323 K	333 K
+35.53	+133.34	−3.57	−4.90	−6.24	−7.57	−8.90