Table 1.
Determination of SA using probe 1 in various water samples.
| Spiked (μM) | Tap water |
River water |
Lake water |
||||||
|---|---|---|---|---|---|---|---|---|---|
| Found (μM) | Recovery (%) | RSD (%) | Found (μM) | Recovery (%) | RSD (%) | Found (μM) | Recovery (%) | RSD (%) | |
| 0 | – | – | – | – | – | – | – | – | – |
| 6.0 | 6.31 | 105.1 | 1.2 | 6.45 | 107.5 | 1.4 | 6.53 | 108.9 | 2.2 |
| 10.0 | 9.70 | 97.0 | 3.3 | 9.28 | 92.8 | 4.5 | 9.58 | 95.8 | 1.8 |
| 14.0 | 13.10 | 93.6 | 1.9 | 14.52 | 103.7 | 2.8 | 14.26 | 101.8 | 4.0 |
| 18.0 | 17.43 | 96.8 | 3.2 | 17.32 | 96.2 | 4.8 | 18.09 | 100.5 | 2.6 |
| 22.0 | 21.55 | 97.9 | 2.3 | 21.70 | 98.6 | 1.7 | 20.74 | 94.2 | 3.8 |
| 26.0 | 26.45 | 101.7 | 2.6 | 24.52 | 94.3 | 2.1 | 25.12 | 96.6 | 4.0 |