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Novel capsule phase microextraction in combination with liquid chromatography-tandem mass spectrometry for determining personal care products in environmental water
Universitat Rovira i Virgil, ESP.
Universitat Rovira i Virgil, ESP.
Florida International University, USA.
Florida International University, USA.
Vise andre og tillknytning
2018 (engelsk)Inngår i: Analytical and Bioanalytical Chemistry, ISSN 1618-2642, E-ISSN 1618-2650, Vol. 410, nr 12, s. 2991-3001Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

A novel sample preparation technique named capsule phase microextraction (CPME) is presented here. The technique utilizes a miniaturized microextraction capsule (MEC) as the extraction medium. The MEC consists of two conjoined porous tubular polypropylene membranes, one of which encapsulates the sorbent through sol-gel technology, while the other encapsulates a magnetic metal rod. As such, MEC integrates both the extraction and stirring mechanisms into a single device. The aim of this article is to demonstrate the application potential of CPME as sample preparation technique for the extraction of a group of personal care products (PCPs) from water matrices. Among the different sol-gel sorbent materials (UCON®, poly(caprolactone-dimethylsiloxane-caprolactone) (PCAP-DMS-CAP) and Carbowax 20M (CW-20M)) evaluated, CW-20M MEC demonstrated the best extraction performance for the selected PCPs. The extraction conditions for sol-gel CW-20M MEC were optimized, including sample pH, stirring speed, addition of salt, extraction time, sample volume, liquid desorption solvent, and time. Under the optimal conditions, sol-gel CW-20M MEC provided recoveries, ranging between 47 and 90% for all analytes, except for ethylparaben, which showed a recovery of 26%. The method based on CPME with sol-gel CW-20M followed by liquid chromatography-tandem mass spectrometry was developed and validated for the extraction of PCPs from river water and effluent wastewater samples. When analyzing different environmental samples, some analytes such as 2,4-dihydroxybenzophenone, 2,2-dihydroxy-4-4 methoxybenzophenone and 3-benzophenone were found at low ng L−1.

sted, utgiver, år, opplag, sider
Springer Berlin/Heidelberg, 2018. Vol. 410, nr 12, s. 2991-3001
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Kemi
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URN: urn:nbn:se:kau:diva-80985DOI: 10.1007/s00216-018-0984-zISI: 000429459600013OAI: oai:DiVA.org:kau-80985DiVA, id: diva2:1478492
Tilgjengelig fra: 2020-10-22 Laget: 2020-10-22 Sist oppdatert: 2022-05-18bibliografisk kontrollert

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Forlagets fullteksthttps://doi.org/10.1007/s00216-018-0984-z

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Lakade, Sameer S.

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