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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