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Table 3 Analytical parameters for the SPE-LC-MS/MS and SPE-UHPLC-MS/MS methods

From: An assessment of the concentrations of pharmaceutical compounds in wastewater treatment plants on the island of Gran Canaria (Spain)

Compound RSDa(%) n=6 LODb(ng/L) LOQc(ng/L) Recovery (%) n=6
1 Naproxen 9.6 0.6 1.8 101.8 ± 7.0
2 Carbamazepine 10.7 0.3 1.1 105.6 ± 4.4
3 Ketoprofen 9.2 2.4 7.9 98.6 ± 9.4
4 Bezafibrate 7.8 2.9 9.6 91.6 ± 11.4
5 Atenolol 6.5 7.9 26.3 67.2 ± 4.4
6 Metamizole 7.9 6.3 21.1 54.4 ± 4.3
7 Paraxanthine 10.8 2.2 7.8 96.4 ± 10.4
8 Fluoxetine 7.7 97.4 324.7 21.0 ± 1.6
9 Levofloxacin 8.5 9.1 30.3 82.4 ± 14.0
10 Norfloxacin 8.5 8.5 28.0 85.3 ± 5.2
11 Ciprofloxacin 6.8 8.6 28.7 86.2 ± 2.1
12 Enrofloxacin 7.0 5.3 17.7 94.0 ± 6.1
13 Sarafloxacin 9.8 11.1 37.0 86.1 ± 11.2
  1. aRelative Standard Derivation.
  2. bDetection limits, calculated as signal to noise ratio of three times.
  3. cQuantification limits, calculated as signal to noise ratio of ten times.