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. 2020 May 1;12(5):1024. doi: 10.3390/polym12051024

Table 5.

Parameters of the Langmuir and Freundlich isotherms for dye adsorption on Cu3(BTC)2·2H2O.

Model CR MB MV
Langmuir qm = 170.9 mg g−1 qm = 173.8 mg g−1 qm = 34.9 mg g−1
KL = 1 L mg−1 KL = 1.0034 L mg−1 KL = 0.7 L mg−1
R2 = 0.98 R2 = 0.97 R2 = 0.95
Freundlich qe = 30 mg g−1 qe = 80 mg g−1 qe = 125 mg g−1
KF = 0.3 KF = 0.1 KF = 0.57
R2 = 0.98 R2 = 0.97 R2 = 0.95