Journal of Analytical Science and Technology

Table 2 Result for the determination of Hg (II) and Pb (II) ions in groundwater

From: Fabrication of novel polymer-modified graphene-based electrochemical sensor for the determination of mercury and lead ions in water and biological samples

Sample	Added (μM)	Found (μM)	Recovery (%)
HgCl2	150	147.75	98.5
	200	202	101
PbCl2	40	39.1	97.84
	60	60.7	101.2

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