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Table 2 Quantitative detection method of CEs

From: Biodegradation of conjugated estrogens in wastewater treatment: species, mechanisms, and influencing factors

Compounds

Instrument

LOQa (ng/L)

REb (%)

RSDc (%)

Reference

E1-3S, E2-3S, E3-3S, E1-3G, E2-3G, E3-3G

UPLC-MS/MS

0.07–1.29

81.0–116.1

0.6–13.6

[46]

E1-3S, E2-3S, E3-3S, E1-3G, E2-3G, E3-3G

GC–MS

5.40–6.80

73.3–114.9

1.6–19.9

[64]

E1-3S, E2-3S, E3-3S

GC–MS

–

64.0–112.3

3.6–18.4

[50]

E2-17A, E1-3S, E2-3S E1-3G, E2-17G

LC–MS/MS

1.0–30.0

23.0–87.0

2.0–9.0

[54]

EE2-3S, EE2-3G

UPLC-MS/MS

0.29–3.23

80.7–117.8

1.6–18.8

[28]

E1-3S, E2-3S, E3-3S E1-3G, E2-3G, E2-17G

HPLC–MS/MS

0.04–1.40

61.2–122.4

0.6–8.0

[19]

  1. aLimit of quantifications
  2. bRecovery efficiencies
  3. cRelative standard deviations