Coexistence and Adsorption Properties of Heavy Metals by Polypropylene Microplastics

Table 4

Regression parameters of Freundlich and Temkin models for adsorption isotherms of heavy metals on microplastics.

Absorbate	Freundlich model			Temkin model
	Cd	144.496	6.840	0.9672	19.074	2005.992	0.9569
Cu	194.340	1.318	0.8391	69.331	16.993	0.9039
Pb	293.081	1.921	0.9066	69.372	52.118	0.8921
Zn	186.810	3.894	0.61048	35.919	114.544	0.3333