Detection of iodide ion in tap water.
| Sample | Addition (μM) | Measured (μM) | Recovery (%) | RSD (%) |
|---|---|---|---|---|
| 1 | 0 | 2.1 | — | 2.2 |
| 2 | 4 | 6.2 | 103 | 1.8 |
| 3 | 20 | 23.4 | 106 | 3.0 |
| 4 | 60 | 60.8 | 98.0 | 2.8 |
| 5 | 100 | 97.1 | 95.1 | 2.7 |
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