Results of recovery values from the analysis of Hg²⁺ in real water samples.

Samples	Hg2+ added (nM)	Hg2+ found (nM)	Recovery (%)	RSD (%)
Tap water	10	9.94	99.4	0.46
	25	24.6	98.4	0.38
	50	49.6	99.2	0.64
Well water	10	9.88	98.8	0.40
	25	24.2	96.8	0.68
	50	49.7	99.4	0.52
Pond water	10	9.93	99.3	0.38
	25	24.4	97.6	0.49
	50	48.7	97.4	0.70