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Talanta. 2007 Apr 15;72(1):269-76. doi: 10.1016/j.talanta.2006.10.030. Epub 2006 Nov 28.

Validation of a method for the analysis of quinolones residues in bovine muscle by liquid chromatography with electrospray ionisation tandem mass spectrometry detection.

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  • 1Laboratori Agència Salut Pública de Barcelona, Avda. de les Drassanes 13-15, E-08001 Barcelona, Spain.

Abstract

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 C(18) column (50mmx2.1mm) with mobile phases consisting of water/acetonitrile mixtures containing acetic acid. Linear calibration curves in the ranges 4-400 and 50-800ngg(-1), with correlation coefficients at least 0.995, were obtained for all the analytes. At concentration levels above 10ngg(-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.

PMID:
19071613
[PubMed]
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