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. 2022 Oct 14;7(42):37807–37824. doi: 10.1021/acsomega.2c04787

Table 4. Models of Adsorption Isotherms Used to Evaluate CIs.

isotherm nonlinear model linear model plot (y vs x)
Langmuir Inline graphic Inline graphic Inline graphic vs Cinh
Temkin KadsCinh = e  = ln Cinh + ln Kads;f = −2a θvs ln Cinh
Frumkin Inline graphic Inline graphic Inline graphic
Freundlich KadsCinh = θ ln θ = ln Cinh + ln Kads ln θvs ln Cinh
Flory–Huggins Inline graphic Inline graphic Inline graphic