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Table 7 Thermodynamic functions of the removal of Pb2+ over the chemically activated carbons

From: Adsorption of aqueous Cd(II) and Pb(II) on activated carbon nanopores prepared by chemical activation of doum palm shell

Temperature Functions KOH-AC NaOH-AC ZnCl2-AC
303 ∆G o −3.885 −0.7878 −6.89
308   −4.151 −0.9116 −7.74
313   −4.663 −1.332 −8.17
318   -6.274 −4.0873 −8.58
323   −7.737 −4.7771 −9
  ∆S o 199.5 230.1 100.8
  ∆H o 57.0 69.6 7.0
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