Sablayrolles, Caroline and Vignoles, Mireille and Silvestre, Jérôme and Treilhou, Michel Trace determination of linear alkylbenzene sulfonates: application in artificially polluted soil-carrots system. (2009) International Journal of Analytical Chemistry, 2009 . pp. 1-6. ISSN 1687-8760
(Document in English)
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Official URL: http://dx.doi.org/10.1155/2009/404836
Surfactants are widely used in household and industrial products. The risk of incorporation of linear alkylbenzene sulfonates (LAS)from biosolids, wastewater, and fertilizers land application to the food chain is being assessed at present by the European Union. In the present work, a complete analytical method for LAS trace determination has been developed and successfully applied to LAS (C10–C13) uptake in carrot plants used as model. These carrots were grown in soil with the trace organics compounds added directly into the plant containers in pure substances form. LAS trace determination (μg kg−1 dry matter) in carrots samples was achieved by Soxtec apparatus and high-performance liquid chromatography-fluorescence detection. The methodology developed provides LAS determination at low detection limits (5 μg kg−1 dry matter) for carrot sample (2 g dry matter) with good recoveriesate (>90%). Transfer of LAS has been followed into the various parts of the carrot plant. LAS are generally found in the carrot leaves and percentage transfer remains very low (0.02%).
|Additional Information:||Thanks to Hindawi Publishing Corporation. The definitive version is available at http://www.hindawi.com The original PDF of the article can be found at International Journal of Analytical Chemistry website http://www.hindawi.com/journals/ijac|
|Audience (journal):||International peer-reviewed journal|
|Institution:||French research institutions > Institut National de la Recherche Agronomique - INRA|
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Université de Toulouse > Institut National Polytechnique de Toulouse - INPT
Université de Toulouse > Université Paul Sabatier-Toulouse III - UPS
French research institutions > Centre National de la Recherche Scientifique - CNRS
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|Deposited By:||Caroline Sablayrolles|
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