Table 3: Details of variables plots for the isotherm models.

Isotherm model

Dependent variable

Independent variable

Slope

Intercept

Freundlich

Inqe

InCe

1/n

InKf

Jovanovic

Inqe

Ce

- Kj

Inqmax

Harkin – Jura

1/qe2

LogCe

-1/AHJ

BHJ/AHJ

Temkin

qe

InCe

K1

K1InK2