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. 2023 Sep 6;28(18):6474. doi: 10.3390/molecules28186474

Table 6.

Calculated values of constants of adsorption isotherms under a tungsten lamp.

Dyes Constants Isotherms
Rhodamin Alizarin Langmuir
0.33 0.84 Intercept
0.02 0.02 Slope
2.95 1.18 KL (L/g)
99.04 37.74 qm (mg/g)
0.34 0.65 RL
0.94 0.88 R2
0.73 0.26 Intercept Freundlich
0.58 0.31 Slope
0.58 0.31 1/n
5.39 1.86 Kf
0.97 0.96 R2
3.47 1.52 Intercept Temkin
0.77 0.26 Slope
0.77 0.26 BT (J mol−1)
88.05 349.70 Kr (L mg−1)
0.94 0.94 R2