Research Article

Simultaneous Determination of Hormonal Residues in Treated Waters Using Ultrahigh Performance Liquid Chromatography-Tandem Mass Spectrometry

Table 3

Analytical parameters for the SPE-UHPLC-MS/MS method.

CompoundRSDa (%) LODb (ng · L−1)LOQc (ng · L−1)Recovery (%) Matrix effect (%)

E36.539.3531.280.5 ± 5.32.96
E28.372.538.4489.7 ± 7.51.33
EE7.250.511.7190.6 ± 6.5−12.6
E16.812.608.6678.7 ± 5.415.4
DES6.930.642.1450.7 ± 3.54.48
TES6.771.494.9583.8 ± 5.717.1
MGA7.180.150.4973.7 ± 5.313.5
NOR7.382.117.0488.9 ± 6.517.2

Relative standard derivation.
bDetection limits, calculated as signal-to-noise ratio of three times.
cQuantification limits, calculated as signal-to-noise ratio of ten times.