On-line solid-phase extraction of large-volume injections coupled to liquid chromatography-tandem mass spectrometry for the quantitation and confirmation of 14 selected trace organic contaminants in drinking and surface water
作者： Araceli Garcia-Ac , Pedro A. Segura , Liza Viglino , Alexandra Fürtös , Christian Gagnon
DOI: 10.1016/J.CHROMA.2009.10.015
关键词: Chemistry 、 Solid phase extraction 、 Triclocarban 、 Mass spectrometry 、 Extraction (chemistry) 、 High-performance liquid chromatography 、 Liquid chromatography–mass spectrometry 、 Tandem mass spectrometry 、 Sample preparation 、 Chromatography
摘要: Abstract We describe the development and validation of an on-line solid-phase extraction large-volume injections coupled to liquid chromatography-tandem mass spectrometry method for simultaneous quantitation confirmation 14 selected trace organic contaminants in drinking surface water. Selected compounds were: anti-infectives (clarithromycin, sulfamethoxazole trimethoprim), anticonvulsant (carbamazepine) its transformation product 10,11-dihydrocarbamazepine, antihypertensive (enalapril), antineoplastics (cyclophosphamide methotrexate), herbicides (atrazine, cyanazine, simazine) two their products (deethylatrazine deisopropylatrazine) antiseptic (triclocarban). The breakthrough volume determinations showed that out all investigated sorbents, Strata-X column best performance. used a load 10.0 mL was validated using corresponding matrices, yielding most compounds, R2 > 0.99. Extraction recoveries ranged from 60 109%. intra- inter-day precision were
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