Preconcentration of Pb(II) by Magnetic Metal-Organic Frameworks and Analysis Using Graphite Furnace Atomic Absorption Spectroscopy

Table 2

Effect of interfering ions in the presence of 10 μg·L⁻¹ lead.

Interfering ions	Interferent/Pb(II) ratio	Recovery (%)
Cd^2+	100	96
As^3+	300	98
Hg^2+	200	97
Ni^2+	200	100
Cu^2+	200	99
Fe^3+	400	97
Co^2+	150	98
Mn^2+	200	99
Ca^2+	150	98
Mg^2+	150	97
Na^+	200	99
K^+	200	97
Zn^2+	100	96