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Article Dans Une Revue Talanta Année : 2016

A new analytical protocol for the determination of 62 endocrine-disrupting compounds in indoor air

Résumé

The objective of this study was to develop and validate a new analytical protocol for simultaneous determination of 62 semi-volatile organic compounds in both phases of indoor air. Studied compounds belong to several families: polybrominated diphenyl ethers, polychlorinated biphenyls, hexachlorobenzene, pentachlorobenzene, phthalates, polyaromatic hydrocarbons, parabens, tetrabromobisphenol A, bisphenol A, hexabromocyclododecane, triclosan, alkylphenols, alkylphenol ethoxylates, synthetic musks (galaxolide and tonalide) and pesticides (lindane and cypermethrin). A medium volume sampling system was used to collect simultaneously these endocrine-disrupting compounds (EDCs) from the gaseous and particulate phases. An accelerated solvent extraction method was optimized to obtain all EDCs in a single extract by atmospheric phase. Their extraction from the sorbents and their analysis by liquid and gas chromatography–mass spectrometry (LC/MS/MS, GC/MS and GC/MS/MS) was validated using spiked sorbents (recovery study and analytical uncertainty analysis by fully nested design). The developed protocol achieved low limits of quantification (<0.5 ng m−3) and low uncertainty values (<5 ng m−3) for all compounds. Once validated, the method was applied to indoor air samples from four locations (a house, an apartment, a day nursery and an office) and compared to literature to confirm its efficiency. All target EDCs were quantified in the samples and were primarily present in the gaseous phase. The major contaminants found in indoor air were, in descending order, phthalates, synthetic musks, alkylphenols and parabens.
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Dates et versions

hal-01211426 , version 1 (05-10-2015)

Identifiants

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Stéphanie Laborie, Elodie Moreau-Guigon, Fabrice Alliot, Annie Desportes, Lucie Oziol, et al.. A new analytical protocol for the determination of 62 endocrine-disrupting compounds in indoor air. Talanta, 2016, 147, pp.132-141. ⟨10.1016/j.talanta.2015.09.028⟩. ⟨hal-01211426⟩
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