| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1244028 | Talanta | 2007 | 8 Pages |
A liquid chromatography–tandem mass spectrometry method for the determination and confirmation of nine quinolones was optimised and validated according to Commission Decision 2002/657/EC. Analytes were extracted from veal muscle with water and extracts purified with 96-well plates Oasis HLB cartridges. Separation was carried out in a silica-based C18 column (50 mm × 2.1 mm) with mobile phases consisting of water/acetonitrile mixtures containing acetic acid. Linear calibration curves in the ranges 4–400 and 50–800 ng g−1, with correlation coefficients at least 0.995, were obtained for all the analytes. At concentration levels above 10 ng g−1, quantification errors were lower than 10% and repeatability and within-laboratory reproducibility standard deviations below 6% and 10%, respectively. Decision limits and detection capabilities are reported.
