Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/53182
Title: Development of a solid-phase microextraction method with micellar desorption for the determination of chlorophenols in water samples - Comparison with conventional solid-phase microextraction method
Authors: Mahugo Santana,Cristina Isabel 
Torres Padron, M. E. 
Sosa Ferrera, Z. 
Santana Rodríguez, José Juan 
UNESCO Clasification: 2301 química analítica
2391 Química ambiental
Keywords: Solid-phase microextraction
Micelles
Chlorophenols
High-performance liquid chromatography
Water analysis
Issue Date: 2007
Publisher: 0021-9673
Project: Acoplamiento de la Microextracción en Fase Sólida y la Cromatografía Líquida de Alta Resolución Con la Utilización de Medios Micelares Como Extractantes: Desarrollo de Nuevos Métodos Analíticos 
Journal: Journal of Chromatography A 
Abstract: A novel analytical method is presented for the determination of chlorophenols in water. This method involves pre-concentration by solid-phase microextraction (SPME) and an external desorption using a micellar medium as desorbing agent. Final analysis of the selected chlorophenols compounds was carried out by high-performance liquid chromatography (HPLC) with diode array detection (DAD). Optimum conditions for desorption, using the non-ionic surfactant polyoxyethylene 10 lauryl ether (POLE), such as surfactant concentration and time were studied. A satisfactory reproducibility for the extraction of target compounds, between 6 and 15%, was obtained, and detection limits were in the range of 1.1–5.9 ng mL−1. The developed method is evaluated and compared with the conventional one using organic solvent as a desorbing agent. The method was successfully applied to the determination of chlorophenols in water samples from different origin. This study has demonstrated that solid-phase microextraction with micellar desorption (SPME-MD) can be used as an alternative to conventional SPME method for the extraction of chlorophenols in water samples.
URI: http://hdl.handle.net/10553/47157
ISSN: 0021-9673
DOI: 10.1016/j.chroma.2006.11.050
Source: Journal Of Chromatography A [ISSN 0021-9673], v. 1140 (1-2), p. 13-20
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