Table 4 Effect of interfering ions on removal of heavy metals
From: Optimization of variables for cadmium and copper removal using magnetic nanocomposite
Interference | Tolerance ratio | Cadmium | Copper |
|---|---|---|---|
\({\text{K}}^{+}\) | 1000 | 96.34 ± 2.5 | 97.61 ± 2.2 |
\({\text{F}}^{-}\) | 1000 | 96.30 ± 1.9 | 96.78 ± 1.9 |
\({\text{NO}}_{3}^{-}\) | 700 | 97.28 ± 2.3 | 95.79 ± 1.8 |
\({\text{Fe}}^{2+}\) | 500 | 97.12 ± 1.9 | 96.62 ± 1.7 |
\({\text{Al}}^{3+}\) | 250 | 95.94 ± 1.6 | 97.79 ± 2.0 |
\({\text{Pb}}^{2+}\) | 100 | 97.20 ± 2.3 | 96.68 ± 1.5 |