Solidified Floating Organic Drop Microextraction for the Detection of Trace Amount of Lead in Various Samples by Electrothermal Atomic Absorption Spectrometry

Table 2

Effect of the coexisting ions on the recoveries of the Pb (II).

Coexisting ions	Molar ratio (ion/Pb^+2)
Ba^+2	2000
K^+	2000
Cd^+2	2000
Ni^+2	800
Cu^+2	800
Ag^+	200
Zn^+2	200
Mg^+2	200
Hg^+2	200
Co^+2	200
Fe^+3	200