. 2022 Nov 30;12(53):34226–34235. doi: 10.1039/d2ra05564c

Analysis of M²⁺ (nM) in water sample by the developed method (mean ± standard deviation, n = 3).

Sample	M²⁺ added	M²⁺ found	Recovery (%)	Relative error (%)
Ni²⁺	5	5.02 ± 1.5	100.5	0.4
	10	10.15 ± 1.54	101.5	1.5
	20	19.70 ± 0.87	98.5	2.0
Zn²⁺	5	5.13 ± 0.97	102.6	2.6
	10	9.87 ± 1.1	98.7	1.3
	20	20.06 ± 1.2	100.3	0.6

Analysis of M2+ (nM) in water sample by the developed method (mean ± standard deviation, n = 3).