LOD, preconcentration factor and adsorption capacity of Cu(ii) with different adsorbents. Reprinted from ref. 27, Talanta, 148, Abd Ali L. I., Ibrahim W. A. W., Sulaiman A., Kamboh M. A. and Sanagi M. M., New chrysin-functionalised silica-core shell magnetic nanoparticles for the magnetic solid phase extraction of copper ions from water samples, 191–199, Copyright 2015 with permission from Elsevier
| Sorbent . | LOD (ng mL−1) . | Preconcentration factor . | Adsorption capacity (mg g−1) . |
|---|---|---|---|
| Fe3O4@SiO2-N-chrysin | 0.3 | 100 | 114.25 |
| LIX-CNT-A | 4.1 | 18.3 | 16.4 |
| LIX-CNT | 4.8 | 16.5 | 29.7 |
| Fe3O4 magnetic nanoparticle-based solid-phase extraction coupled with a functionalized gold nanoparticle probe | 0.2 | — | — |
| Magnetic nanoparticles coated with dithizone-modified chitosan | 0.18 | — | 210 |
| Morin-bound iron oxide magnetic nanoparticles | 0.9 | 28 | — |
| Amidoamidoxime silica | 9 | 20 | 10.16 |
| ZrO2/B2O3 | 3.3 | 10 | 46.5 |
| Neocuproine modified magnetic microparticles | 1.5 | — | 8 |
| Sorbent . | LOD (ng mL−1) . | Preconcentration factor . | Adsorption capacity (mg g−1) . |
|---|---|---|---|
| Fe3O4@SiO2-N-chrysin | 0.3 | 100 | 114.25 |
| LIX-CNT-A | 4.1 | 18.3 | 16.4 |
| LIX-CNT | 4.8 | 16.5 | 29.7 |
| Fe3O4 magnetic nanoparticle-based solid-phase extraction coupled with a functionalized gold nanoparticle probe | 0.2 | — | — |
| Magnetic nanoparticles coated with dithizone-modified chitosan | 0.18 | — | 210 |
| Morin-bound iron oxide magnetic nanoparticles | 0.9 | 28 | — |
| Amidoamidoxime silica | 9 | 20 | 10.16 |
| ZrO2/B2O3 | 3.3 | 10 | 46.5 |
| Neocuproine modified magnetic microparticles | 1.5 | — | 8 |