Research Article
Carbonized Aramid Fiber as the Adsorbent for In-Tube Solid-Phase Microextraction to Detect Estrogens in Water Samples
Table 4
Analytical results and recoveries of five estrogens in two real samples.
| | Analytes | Bisphenol A | Ethynylestradiol | Diethylstilbestrol | Hexestrol | Estrone |
| | Water in the PC bottle (μg/L) | 8.3 ± 0.2 | Not detected | Not detected | Not detected | Not detected | | Recovery (5 μg/L, %) | 113.9 ± 7.0 | 100.4 ± 1.6 | 89.3 ± 2.2 | 119.0 ± 4.0 | 121.1 ± 3.1 | | Recovery (10 μg/L, %) | 84.3 ± 1.6 | 75.0 ± 1.7 | 89.7 ± 0.7 | 108.6 ± 5.5 | 120.3 ± 8.1 | | Tap water (μg/L) | Not detected | Not detected | Not detected | Not detected | Not detected | | Recovery (5 μg/L, %) | 112.2 ± 4.0 | 89.4 ± 0.2 | 86.6 ± 1.6 | 120.7 ± 1.5 | 102.4 ± 2.0 | | Recovery (10 μg/L, %) | 87.7 ± 5.3 | 76.4 ± 0.6 | 74.6 ± 0.8 | 107.8 ± 1.9 | 87.5 ± 1.6 |
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