The values of change in enthalpy (Ho) and entropy (So) canbe determined from the slope and intercept, respectively, of thelinear Van’t Hoff plot (Eq. (4)).2.6. Adsorption isothermUsing a method of linear regression, the adsorption data hasbeen fitted to Langmuir [25] adsorption model to describe theadsorption processes between solid–liquid interface:
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