Effects of Dissolved Organic Matter on Sorption of Oxytetracycline to Sediments

Table 3

Langmuir isotherm model and Freundlich isotherm model fitted parameters for oxytetracycline sorption to three sediments with the presence of DOMs.

Samples	Langmuir isotherm model					Freundlich isotherm model
	(mg/kg)	(L/mg)		RSS/dof					RSS/dof
FT	454.919	0.0152	0.9883	27.1564	(0.759, 0.940)	8.1760	0.8628	0.9896	24.0104
FT-PDOM	563.141	0.0225	0.9889	57.3752	(0.681, 0.914)	14.2079	0.8551	0.9825	98.5720
FT-MDOM	323.665	0.0198	0.9898	60.8960	(0.708, 0.924)	7.5841	0.8411	0.9662	63.3506
RB	207.996	0.0257	0.9779	24.3801	(0.651, 0.903)	6.7888	0.7898	0.9789	23.2086
RB-PDOM	287.087	0.0237	0.9945	10.1586	(0.669, 0.910)	8.2462	0.8162	0.9926	13.6067
RB-MDOM	174.721	0.0334	0.9469	58.8434	(0.590, 0.878)	7.5521	0.7537	0.9445	61.3908
RF	536.867	0.0165	0.9701	179.9477	(0.744, 0.936)	14.6219	0.8530	0.9589	247.1996
RF-PDOM	688.969	0.0352	0.9549	567.9393	(0.577, 0.872)	26.4432	0.8302	0.9395	760.5967
RF-MDOM	426.129	0.0244	0.9625	149.7934	(0.663, 0.908)	11.1970	0.8354	0.9570	171.7898