Graphene Oxide/Polyvinyl Alcohol/Fe₃O₄ Nanocomposite: An Efficient Adsorbent for Co(II) Ion Removal

Table 3

Thermodynamic parameters of the adsorption Co²⁺ ion on GO/PVA/Fe₃O₄.

ΔG^0 (kJ·mol^−1)				ΔH^0 (kJ·mol^−1)	ΔS^0 (J·mol^−1·K^−1)
298 K	303 K	313 K	323 K	22.04	106.47
−9.8	−10.07	−10.06	−12.38	—	—