. 2022 Jul 19;12(32):20762–20764. doi: 10.1039/d2ra90073d

Determination of Cu(ii) ions in real samples using N₁ nanocomposite.

Sample	Added volume from Cu(ii) stock solution (1000 μg L⁻¹)
	0 mL			0.2 mL			0.4 mL
	Found concentration (μg L⁻¹)	% Recovery	% RSD	Found concentration (μg L⁻¹)	% Recovery	% RSD	Found concentration (μg L⁻¹)	% Recovery	% RSD
Sea water	4.600 ± 0.124	—	2.174	7.040 ± 0.142	97.139	1.619	9.62 ± 0.309	97.362	2.589
Tap water	8.320 ± 0.492	—	2.150	10.816 ± 0.255	98.709	1.901	13.580 ± 0.492	99.993	2.918
Fish muscles	7.230 ± 0.247	—	2.749	9.820 ± 0.254	99.490	2.087	12.400 ± 0.351	99.226	2.281
Blood	1.090 ± 0.028	—	2.051	3.580 ± 0.104	95.551	2.337	6.358 ± 0.053	99.511	0.671

Determination of Cu(ii) ions in real samples using N1 nanocomposite.