Identificador persistente para citar o vincular este elemento: http://hdl.handle.net/10553/49123
Título: Extraction and Determination of Phenolic Derivatives in Water Samples by Using Polyoxyethylene Surfactants and Liquid Chromatography with Photodiode Array Detection
Autores/as: Mahugo Santana,Cristina Isabel 
Ferrera, Z. Sosa 
Rodríguez, J. J.Santana 
Clasificación UNESCO: 2301 química analítica
Palabras clave: Mediated Phase Separations
Cloud-Point Extractions
Optimization
Pollutants
Fecha de publicación: 2004
Editor/a: 1060-3271
Publicación seriada: Journal of AOAC International 
Resumen: Methodology based on the cloud-point phenomenon was applied to the comparative study of 3 different polyoxyethylene nonionic surfactants in order to extract and preconcentrate a group of phenolic derivatives in water samples; these phenolic compounds, which were determined by liquid chromatography with UV detection, included 11 pollutants given priority by the U.S. Environmental Protection Agency. The optimum conditions for the extraction and preconcentration of phenolic compounds were established for each surfactant. The surfactant that gave the best extraction and preconcentration of the analytes under study was polyoxyethylene 6 lauryl ether (C12E6) with detection limits of <3.5 microg/L for all the phenolic compounds tested. The method was applied to seawater and depurated wastewater samples.
URI: http://hdl.handle.net/10553/49123
ISSN: 1060-3271
Fuente: Journal of AOAC International [ISSN 1060-3271], v. 87, p. 166-171
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