Tartrazine Removal from Aqueous Solution by HDTMA-Br-Modified Colombian Bentonite

Table 5

Equilibrium isotherm parameters for the adsorption of tartrazine onto organobentonite.

Langmuir	(mg/g)	40.79 ± 0.71
	(L/mg)	4.06 ± 0.62
		0.916
Freundlich	(L/g)	33.02 ± 0.27
	n	17.64 ± 0.89
		0.988