Effect of Cosolutes on the Sorption of Phenanthrene onto Mineral Surface of River Sediments and Kaolinite

Table 2

Isotherm parameters of phenanthrene sorption on the sorbents.

Sorbents	Freundlich model			Linear model
	log𝐾𝐹^a	𝑛	𝑅^2	𝑅^2
Natural sediment	1.50 ± 0.02^b	1.250 ± 0.05	0.976	0.930
Organic-free sediment	1.45 ± 0.02	0.883 ± 0.02	0.986	0.994
Kaolinite	1.50 ± 0.08	1.017 ± 0.01	0.986	0.976

aUnit: 𝐾_𝐹 ((mg/kg)/(mg/L)𝑛); ^bStandard error.