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Recovery results of different water matrices
| Types of sample | Spiked level (μg/mL) | % RSD | Recovery (%) |
|---|---|---|---|
| Distilled water | 0 | – | – |
| 2.5 | 0.79 | 101 | |
| 5 | 2.47 | 103 | |
| Tap water | 0 | – | – |
| 0.02 | 2.78 | 100 | |
| 0.1 | 5.50 | 120 | |
| 2.5 | 0.66 | 86.4 | |
| Bottled water | 0 | – | – |
| 0.1 | 1.27 | 108 | |
| 2.5 | 1.82 | 91.2 | |
| Hospital wastewater | 0 | – | – |
| 2.5 | 5.24 | 117 |
