Removal of Antimony(III) from Aqueous Solution by Using Grey and Red Erzurum Clay and Application to the Gediz River Sample

Table 3

Thermodynamic parameters for Sb(III) ions.

Adsorbent	Δ𝐺^∘ (kJ mol^−1)	Δ𝐻^∘ (kJ mol^−1)	Δ𝑆^∘ (kJ mol^−1K)
Grey Erzurum clay	−202.439	23.744	0.796
Red Erzurum clay	−200.258	55.403	0.903