Online Preconcentration and Determination of Trace Amounts of Zinc in Nature Waters

Table 1

Determination of zinc in water samples by the proposed method.

Sample	Measured	Spiked	Found	Recovery
	(𝜇g L^−1)	(𝜇g L^−1)	(𝜇g L^−1)	(%)
River water 1#	38.50	30.00	67.63	97.1
River water 2#	59.26	50.00	108.56	98.6
Lake water	4.48	5.00	9.72	104.8
Spring water	7.26	10.00	17.12	98.6