Relative recoveries and standard deviations of estrogenic compounds from spiked water and wastewater samples.
| Type of samples | Analyte | Added (ng L−1) | Found, mean ± SDa (n = 3) (ng L−1) | Relative recovery (%) |
|---|---|---|---|---|
| Tap water (no. 1) | E1 | 0 | n.d.b | — |
| 10 | 9.6 ± 0.8 | 96.0 | ||
| E2 | 0 | n.d. | — | |
| 10 | 10.4 ± 1.03 | 104.0 | ||
| EE2 | 0 | n.d. | — | |
| 10 | 9.1 ± 0.7 | 91.0 | ||
| E3 | 0 | n.d. | — | |
| 10 | 10.6 ± 1.05 | 106.0 | ||
| Tap water (no. 2) | E1 | 0 | n.d. | — |
| 20 | 19.1 ± 1.5 | 95.5 | ||
| E2 | 0 | n.d. | — | |
| 20 | 20.65 ± 1.2 | 103.2 | ||
| EE2 | 0 | n.d. | — | |
| 20 | 18.76 ± 1.8 | 93.8 | ||
| E3 | 0 | n.d. | — | |
| 20 | 21.3 ± 2.1 | 106.5 | ||
| Well water (no. 1) | E1 | 0 | n.d. | — |
| 30 | 27.4 ± 2.6 | 91.3 | ||
| E2 | 0 | n.d. | — | |
| 30 | 29.2 ± 1.3 | 107.3 | ||
| EE2 | 0 | n.d. | — | |
| 30 | 31.4 ± 2.7 | 104.7 | ||
| E3 | 0 | n.d. | — | |
| 30 | 30.5 ± 2.2 | 101.7 | ||
| Well water (no. 2) | E1 | 0 | n.d. | — |
| 50 | 47.9 ± 3.3 | 95.8 | ||
| E2 | 0 | n.d. | — | |
| 50 | 52.5 ± 4.1 | 105.0 | ||
| EE2 | 0 | n.d. | — | |
| 50 | 53.7 ± 4.5 | 107.4 | ||
| E3 | 0 | n.d. | — | |
| 50 | 49.1 ± 3.8 | 98.2 | ||
| River water (from sirvan river) | E1 | 0 | n.d. | — |
| 60 | 62.6 ± 4.8 | 104.3 | ||
| E2 | 0 | n.d. | — | |
| 60 | 56.4 ± 5.3 | 94.0 | ||
| EE2 | 0 | n.d. | — | |
| 60 | 60.4 ± 5.1 | 100.7 | ||
| E3 | 0 | n.d. | — | |
| 60 | 58.6 ± 4.5 | 97.7 | ||
| River water (from Qarasu river) | E1 | 0 | n.d. | — |
| 80 | 76.1 ± 5.5 | 95.1 | ||
| E2 | 0 | n.d. | — | |
| 80 | 83.5 ± 6.2 | 104.4 | ||
| EE2 | 0 | n.d. | — | |
| 80 | 87.1 ± 5.8 | 108.8 | ||
| E3 | 0 | n.d. | — | |
| 80 | 77.3 ± 4.3 | 96.6 | ||
| Wastewater (no. 1) | E1 | 0 | 53.5 ± 3.9 | — |
| 20 | 75.1 ± 5.1 | 108.0 | ||
| E2 | 0 | 88.6 ± 6.3 | — | |
| 20 | 106.8 ± 8.3 | 91.0 | ||
| EE2 | 0 | n.d. | — | |
| 20 | 21.3 ± 2.2 | 106.5 | ||
| E3 | 0 | n.d. | — | |
| 20 | 19.5 ± 1.6 | 97.5 | ||
| Wastewater (no. 2) | E1 | 0 | 16.1 ± 0.8 | — |
| 40 | 57.4 ± 4.3 | 103.2 | ||
| E2 | 0 | 28.3 ± 1.5 | — | |
| 40 | 71.1 ± 5.2 | 107.0 | ||
| EE2 | 0 | 49.6 ± 3.7 | — | |
| 40 | 88.3 ± 6.5 | 96.8 | ||
| E3 | 0 | 77.4 ± 5.4 | — | |
| 40 | 119.1 ± 7.8 | 104.2 |
a
Standard deviation.
b
Not detected.