Detection results of Cu2+, Cd2+, and Hg2+ concentration in lake water sample.
| Analytes | Added (ppb) | By this method (ppb) | By ICP-MS (ppb) | Relative error |
|---|---|---|---|---|
| Cu2+ | 8.0 | 7.872 | 8.018 | −1.8% |
| Cd2+ | 8.0 | 8.176 | 8.012 | 2.1% |
| Hg2+ | 8.0 | 7.813 | 8.064 | −3.1% |
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