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. 2020 Aug 2;25(15):3534. doi: 10.3390/molecules25153534

Table 6.

Parameters of the Langmuir equation for the adsorption of sulfamethoxazole, antipyrine and desipramine on chemically activated carbons obtained at 850 °C.

Sulfamethoxazole
Parameter FeCl3-AC ZnCl2-AC KOH-AC K2CO3-AC
qL (mg/g) 145.8 (2.3) 309.2 (9.6) 422.9 (3.9) 350.5 (7.1)
KL (L/mg) 0.07 (0.01) 0.06 (0.01) 0.19 (0.01) 0.68 (0.09)
R2 0.997 0.991 0.998 0.991
Antipyrine
Parameter FeCl3-AC ZnCl2-AC KOH-AC K2CO3-AC
qL (mg/g) 50.0 (2.4) 64.5 (2.6) 212.6 (2.2) 200.7 (8.7)
KL (L/mg) 0.01 (<0.01) 0.02 (<0.01) 0.05 (<0.01) 0.01 (<0.01)
R2 0.992 0.986 0.998 0.989
Desipramine
Parameter FeCl3-AC ZnCl2-AC KOH-AC K2CO3-AC
qL (mg/g) 65.9 (3.1) 95.8 (2.0) 160.7 (8.5) 132.1 (4.4)
KL (L/mg) 0.29 (0.06) 1.00 (0.10) 0.40 (0.09) 0.67 (0.11)
R2 0.982 0.995 0.971 0.983
Errors represent the 95% confidence interval.