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Table 5 Comparison of reported concentrations of the studied estrogens in river samples

From: Analysis of steroid hormones and their conjugated forms in water and urine by on-line solid-phase extraction coupled to liquid chromatography tandem mass spectrometry

Estrogens Present study a b c d
E3-3S <6.3 <0.3 NA ND <0.07
E2-17G <21 <3.1 <2.24 ND 1.10–7.34
E2-17S <3.3 NA NA NA NA
E1-3S <25 0.3–0.8 ND–7 0.3–7 <0.16
E2-3S <5.3 0.2–0.8 NA 0.2–0.4 0.59–0.85
E3 <10 NA NA ND–51 1–7.27
E2 <9.5 NA NA ND–8.8 ND
E1 <9.7 0.2–6.6 4–22 <0.1–17 ND
EE2 <25 NA NA NA ND
  1. Concentrations in ng L−1
  2. NA not analyzed
  3. ND not detected
  4. a Isobe et al. [44], 1000 mL volume sample
  5. b Mozaz et al. [46], 500 mL volume sample
  6. c Liu et al. [1], no information about volume sample
  7. d Kuster et al. [47], 500 mL volume sample