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Extraction and preconcentration of polychlorinated dibenzo-p-dioxins using the cloud-point methodology: Application to their determination in water samples by high-performance liquid chromatography by C Padrón Sanz; Z Sosa Ferrera; J.J Santana Rodrı́guez is a Chemistry article available to read on EtoBox.

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A new analytical method based on the cloud-point extraction (CPE) methodology combined with high-performance liquid chromatography is used in this study for the extraction and quantification of polychlorinated dibenzo-p-dioxins. These compounds are extracted by using the non-ionic surfactant polyoxyethylene 10 lauryl ether (POLE) from different aqueous systems: fresh, brackish and sea waters. After the cloud-point extraction, which also allowed a preconcentration of the PCDDs being studied, the samples were analysed using a HPLC-UV system under the optimum chromatographic conditions. The proposed method showed very satisfactory recovery percentages for the PCDDs under study and standard deviation values lower than 2%. The results obtained were finally compared with those found using the traditional liquid-liquid extraction method.

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Author

C Padrón Sanz; Z Sosa Ferrera; J.J Santana Rodrı́guez

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0003-2670)

Published

2002

Language

EN

Field

Chemistry (Physical Sciences)