Adsorption Behaviors of Oxytetracycline onto Sediment in the Weihe River, Shaanxi, China

Table 5

Langmuir isotherm parameters for OTC adsorption onto sediment samples at different temperatures.

Sampling point		Temperature
		298 K	308 K	318 K
1	𝑄𝑚 (mg/kg)	35.9319	82.2209	150.3823
	𝐾𝐿 (L/mg)	0.0403	0.0439	0.0502
	𝐾𝐿 (L/mol)	18537.3144	20190.2940	23091.0660
	𝑅^2	0.9965	0.9953	0.9988
2	𝑄𝑚 (mg/kg)	54.6653	112.3406	210.6777
	𝐾𝐿 (L/mg)	0.0266	0.0323	0.0365
	𝐾𝐿 (L/mol)	12224.6820	14872.2120	16819.8732
	𝑅^2	0.9970	0.9987	0.9987
3	𝑄𝑚 (mg/kg)	81.8869	171.3534	253.6336
	𝐾𝐿 (L/mg)	0.0187	0.0232	0.0311
	𝐾𝐿 (L/mol)	8587.206	10700.6256	14324.2884
	𝑅^2	0.9967	0.9952	0.9985