Amoxicillin and cefixime simultaneous adsorption by facile synthesized chitosan@polyacrylamide@ZIF-8: isotherm and kinetic study

Environmental Sciences Europe

Table 3 Values of kinetic models parameters at different concentrations for AMX

C₀ (ppm)	Pseudo-first-order			Pseudo-second order				Intraparticle diffusion
C₀ (ppm)	K_ad (1/min)	q_e⋅cal (mg/g)	R²	K_h (*10⁴) (g/mg min)	q_e⋅cal (mg/g)	R²	q_e⋅exp (mg/g)	K_p (mg/g min^0.5)	C (mg/g)	R²
25	0.048	28	0.98	35	84	0.99	78	6.4	41.3	0.96
50	0.135	147	0.99	8.4	192	0.99	157	22.46	41.8	0.95
100	0.077	192	0.99	4.5	357	0.99	303	39.67	86.2	0.99
200	0.062	279	0.95	2.9	667	0.98	574	59.98	234.9	0.96