Table 4. Results of Real Sample Analysis (Water in Fishpond).
| added concentration (ng/mL) | found concentration (ng/mL) | recovery (%) |
|---|---|---|
| 0.96 | 0.94 | 98.68 |
| 3.19 | 3.23 | 101.43 |
| 12.76 | 12.02 | 94.17 |
| 19.14 | 18.75 | 97.91 |
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