Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/47165
Title: The use of micellar systems in the extraction and pre-concentration of organic pollutants in environmental samples
Authors: Sosa Ferrera, Zoraida 
Padrón Sanz, Carolina
Mahugo Santana,Cristina Isabel 
Santana Rodríguez, José J. 
UNESCO Clasification: 2301 química analítica
Keywords: Environmental samples
Extraction
Micellar medium
Organic pollutants
Pre-concentration
Issue Date: 2004
Publisher: 0165-9936
Journal: TrAC - Trends in Analytical Chemistry 
Abstract: Establishing simple, fast, low-cost, sensitive and selective analytical methods for extraction and determination of pollutants in the environment is one of the main lines of research in environmental chemistry. Recent studies have demonstrated that micellar systems (surfactant solutions) constitute a real alternative to organic solvents for use as extractants of organic pollutants from liquid and solid environmental samples. This article is an overview of the use of micellar systems in the extraction/pre-concentration of different organic pollutants. Specifically, it discusses the application of the cloud-point extraction (CPE) and microwave-assisted micellar extraction (MAME) methodologies to the extraction and pre-concentration of organic pollutants, such as polycyclic aromatic hydrocarbons (PAHs), polychlorinated biphenyls (PCBs), polychlorinated dibenzofurans (PCDFs), polychlorinated dibenzo-p-dioxins (PCDDs) and phenolic derivatives, from environmental matrices. These studies show the advantages of these optimised methodologies over the traditional extraction techniques.
URI: http://hdl.handle.net/10553/47165
ISSN: 0165-9936
DOI: 10.1016/S0165-9936(04)00732-0
Source: TrAC - Trends in Analytical Chemistry [ISSN 0165-9936], v. 23, p. 469-479
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