Synthesis of Specific ZnF Based Nanoparticles (ZnFe₂O₄): Antimicrobial Properties, Surface Characteristics, and Adsorption Activity for AB 29 Textile Dye

Table 4

Langmuir, Freundlich, and Temkin isotherm model constants with regression (R²) coefficient values.

Langmuir Model
T (°C)	25	35	45	55
Q° (mg·g^−1)	303.03	285.71	217.39	277.77
b (L·mg^−1)	0.4125	0.204	0.273	0.139
R^2	0.841	0.956	0.901	0.946
RL	0.023	0.046	0.035	0.066
Freundlich Model
T	25°C	35°C	45°C	55°C
1/n	0.3909	0.52	0.47	0.43
n	2.55	1.89	2.09	2.31
Kf ((mg/g)/(L/mg)^1/n)	13756.25	4138.09	3057.03	3478.56
R^2	0.817	0.937	0.958	0.955
Temkin Model
T	25°C	35°C	45°C	55°C
At (L/g)	0.934	0.77	0.70	0.73
B (J/mol)	291.85	357.42	273.38	220.71
R^2	0.469	0.566	0.603	0.669