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Effect of interfering ions in the presence of 10 μg·L−1 lead.
| Interfering ions | Interferent/Pb(II) ratio | Recovery (%) |
|---|---|---|
| Cd2+ | 100 | 96 |
| As3+ | 300 | 98 |
| Hg2+ | 200 | 97 |
| Ni2+ | 200 | 100 |
| Cu2+ | 200 | 99 |
| Fe3+ | 400 | 97 |
| Co2+ | 150 | 98 |
| Mn2+ | 200 | 99 |
| Ca2+ | 150 | 98 |
| Mg2+ | 150 | 97 |
| Na+ | 200 | 99 |
| K+ | 200 | 97 |
| Zn2+ | 100 | 96 |
