Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/47134
Title: On-line solid-phase extraction coupled to ultra-performance liquid chromatography with tandem mass spectrometry detection for the determination of benzotriazole UV stabilizers in coastal marine and wastewater samples
Authors: Montesdeoca-Esponda, Sarah 
Sosa-Ferrera, Zoraida 
Santana-Rodríguez, José Juan 
UNESCO Clasification: 2302 Bioquímica
2301 química analítica
Keywords: Benzotriazole UV stabilizers
On-line SPE
UPLC-MS/MS
Water analysis
Issue Date: 2012
Publisher: 1618-2642
Project: Desarrollo de Nuevas Estrategias de Extracción en El Análisis de Residuos Farmacéuticos.Implementación en Muestras Reales de Interés Medioambiental. 
Journal: Analytical and Bioanalytical Chemistry 
Conference: 16th Conference on Solid State Analysis 
Abstract: Benzotriazoles are a group of UV absorbing compounds considered emerging contaminants that are used in different personal care products, and therefore, it is of high interest to develop sensitive and fast methods for investigating their presence in the environment. In this work, we present the development and application of a novel method based on on-line solid-phase extraction coupled to ultra-performance liquid chromatography with tandem mass spectrometry detection (SPE-UPLC-MS/MS) for the determination of seven benzotriazole UV stabilizers (BUVSs) in coastal marine and wastewater samples. This process is compared with a conventional off-line SPE procedure followed by UPLC-MS/MS. The parameters affecting the performance of the sample preparation and determination processes were evaluated. The results indicate that the on-line procedure provides for better sensitivity and reproducibility and is faster and easier than the off-line procedure. The detection limits and quantification limits achieved were in the range of 0.6–4.1 ng∙L−1 and 2.1–14 ng∙L−1 and relative standard deviation between 6.2 and 10 %. The developed method was applied to coastal marine and wastewater samples from Gran Canaria Island (Spain). All of the BUVSs studied were detected in the samples from wastewater treatment plants and two were found in the seawater samples (UV P in the range of 2.8–4.4 ng∙L−1 and UV 360 between 3.6 and 5.2 ng∙L−1).
URI: http://hdl.handle.net/10553/47134
ISSN: 1618-2642
DOI: 10.1007/s00216-012-5906-x
Source: Analytical and Bioanalytical Chemistry [ISSN 1618-2642], v. 403, p. 867-876
Appears in Collections:Actas de congresos
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