Table 4.

Percentage of ions adsorbed by Mn_0.5Fe_2.5O₄ nanoparticles modified with different linkers measured by AAS. As a reference, unmodified nanoparticles were used.

	percentage of ions adsorbed
	Pb	Cu	Cd
NPs	26.1 ± 0.2	22.9 ± 0.2	6.5 ± 0.2
NPs + PA	36.8 ± 0.2	3.2 ± 0.2	27.5 ± 0.2
NPs + SA	38.1 ± 0.2	23.8 ± 0.2	32.3 ± 0.2
NPs + AA	15.9 ± 0.2	14.4 ± 0.2	12.1 ± 0.2
NPs + 3-PPA	25.7 ± 0.2	12.3 ± 0.2	14.9 ± 0.2
NPs + 16-PHDA	1.9 ± 0.2	11.8 ± 0.2	7.6 ± 0.2