Table 2. Determination of the 4-NP in Real Tap Water Samples.
| real sample | NP added (μM) | NP detected (μM) | recovery (%) | RSDa (%) |
|---|---|---|---|---|
| tap water | 10 | 9.500 | 95.09 | 2.73 |
| 30 | 29.21 | 97.39 | 3.33 | |
| 50 | 49.573 | 99.15 | 1.64 |
a
Relative standard deviation (n = 3).
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