Performance Evaluation of Monolith Based Immobilized Acetylcholinesterase Flow-Through Reactor for Copper(II) Determination with Spectrophotometric Detection

Table 3

Percent recovery obtained from the proposed method for determination of copper(II) in water samples.

Samples	Copper(II)
	Added; (mg L^−1)	Found; (mg L^−1)	% Recovery; (% RSD, 𝑛=2)
1	0.50	0.48	96.0 (2.92)
	2.00	1.99	99.5 (2.38)
2	0.50	0.51	102.0 (1.35)
	2.00	2.02	101.0 (2.73)
3	0.50	0.52	104.0 (3.24)
	2.00	1.95	97.5 (2.95)