Table 5 Thermodynamic parameters for adsorption of Cr (VI) ions on both Ni/Fe LDH and Ni/Fe LDH/GL.

From: Novel synthesis of Ni/Fe layered double hydroxides using urea and glycerol and their enhanced adsorption behavior for Cr(VI) removal

 

T (K)

∆G°(kJ/mol)

∆H°(kJ/mol)

∆S°(J/K mol)

Ni/Fe LDH

296

−1298.597

−6.6986

−18.415

308

−949.700

  

318

−826.517

  

328

−698.632

  

Ni/Fe LDH/GL

296

−4113.865

−16.2622

−41.57

308

−3267.982

  

318

−2916.878

  

328

−2800.938