Table 2.

Isotherm parameters of adsorption of bilirubin on natural materials at 37°C and pH 7.4

Isotherm	Parameter	Date-pit AC	Jojoba-seed AC	Microalgae AC
Langmuir	b* (L/mg)	0.1249	0.2456	0.0815
	qo# (mg/g)	2.72	0.719	1.741
	R2	0.9931	0.9917	0.9533
Freundlich	Kf§	0.5797	0.5026	0.5573
	1/n§	0.5821	0.219	1.9312
	R2	0.9960	0.9547	0.9465

Notes:

^*Constant;

^#maximum adsorption capacity;

^§Freundlich parameters.

Abbreviation: AC, activated carbon.