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. 2019 Jul 5;9(37):21075–21085. doi: 10.1039/c9ra03077h

Derived parameters for the Freundlich, Temkin, Langmuir and Sips isotherm models for MB and CV adsorption.

Isotherm Parameters Adsorbing dye
MB CV
q e(exp) (mg g−1) 1984 2405
Freundlich k F 350 856
n F 2.72 4.53
R 2 0.6992 0.4734
Temkin k T 0.80 2.13
b T 5.27 5.18
R 2 0.8415 0.5915
Langmuir q m(max) 2364 3380
k L 0.073 0.10
R 2 0.8838 0.5730
Sips q m(max) 1994 2390
k S 0.12 0.19
n S 0.40 0.14
R 2 0.9861 0.9838