Author, as appears in the article.: Fontanals, N. Miralles, N. Abdullah, N. Davies, A. Gilart, N. Cormack, P.A.G.
Department: Química Analítica i Química Orgànica
Abstract: This paper presents eight distinct strong cation-exchange resins, all of which were derived from precursor resins that had been synthesised using either precipitation polymerisation or non-aqueous dispersion polymerisation. The precursor resins were transformed into the corresponding strong cation-exchange resins by hypercrosslinking followed by polymer analogous reactions, to yield materials with high specific surface areas and strong cation-exchange character. These novel resins were then evaluated as strong cation-exchange (SCX) sorbents in the solid-phase extraction (SPE) of a group of drugs from aqueous samples. Following preliminary experiments, the two best-performing resins were then evaluated in solid-phase extraction¿liquid chromatography¿tandem mass spectrometry (SPE/LC¿MS/MS) to determine a group of drugs from sewage samples. In general, use of these sorbents led to excellent recovery values (75¿100%) for most of the target drugs and negligible matrix effects (ME) (<20% ion suppression/enhancement of the analyte signal), when 50 mL and 25 mL of effluent and influent sewage water samples, respectively, were percolated through the resins. Finally, a validated method based on SPE/LC¿MS/MS was used to quantify the target drugs present in different sewage samples.
licence for use: https://creativecommons.org/licenses/by/3.0/es/
ISSN: 0021-9673
Last page: 62
Journal volume: 1343
Papper version: info:eu-repo/semantics/submittedVersion
Link to the original source: http://www.sciencedirect.com/science/article/pii/S0021967314005202#
Licence document URL: https://repositori.urv.cat/ca/proteccio-de-dades/
Article's DOI: 10.1016/j.chroma.2014.03.068
Entity: Universitat Rovira i Virgili.
Journal publication year: 2014
First page: 55
Repositori URV