Summary
An analytical method based on liquid chromatography–tandem mass spectrometry (LC-MS-MS) has been developed for the determination of pharmaceutical compounds in water samples. The drugs investigated were the analgesics: Ibuprofen, Fenoprofen, Ketoprofen, Naproxen, and Diclofenac and the decomposition product of acetylsalicylic acid: salicylic acid. The selected compounds are acidic, very polar and all are analgesic compounds that can be purchased without medical prescription. Sample enrichment of water samples was achieved by solid-phase extraction procedure (SPE), using Waters Oasis HLB cartridges followed by LC-MS-MS. A narrow-bore 2.1 mm i.d., reversed phase LC C-18 column was used to chromatograph analytes. Average recoveries from 1 L samples varied 75–95% and the detection limits are <1 ng L−1. The method developed was applied to real samples from wastewater and surface waters of Lazio country (Italy).
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Marchese, S., Perret, D., Gentili, A. et al. Determination of Non-Steroidal Anti-Inflammatory Drugs in Surface Water and Wastewater by Liquid Chromatography-Tandem Mass Spectrometry. Chromatographia 58, 263–269 (2003). https://doi.org/10.1365/s10337-003-0052-4
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DOI: https://doi.org/10.1365/s10337-003-0052-4