Journal of Analytical Science and Technology

Table 4 Determination of Pb(II) and Cd(II) in tap water

From: Determination of some heavy metals from aqueous solutions using modified Amberlite XAD-4 resin by selective solid-phase extraction

Element	Added (μg)	Recovery^a (%)
Pb(II)	10	94.5 ± 0.2
	20	95.7 ± 0.3
	30	97.4 ± 0.4
Cd(II)	10	95.4 ± 0.4
	20	96.8 ± 0.3
	30	98.4 ± 0.2

^aMean of 5 determinations with 95% confidence level

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