Fluorescent Sensors Based on Organic Polymer-Capped Gold Nanoparticles for the Detection of Cr(VI) in Water

Table 1

Determination of Cr (VI) in real water samples.

Sample	Added	Proposed method found	Recovery	RSD	AAS found
	(μM)	(μM)	(%)	(%)	(μM)
Lake water	0	Not detected	-	-	0.033
	3.00	3.12	104	3.56	3.00
	12.0	11.7	97.6	2.22	11.9
	22.0	22.2	101	1.03	22.8
River water	0	Not detected	-	-	0.073
	3.00	2.90	96.7	2.32	3.00
	12.0	12.6	105	2.26	12.9
	22.0	23.2	105	2.65	21.7

a: average value of four measurements. b: the samples are determined by ICP-MS.