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Journal articles

Use of the HS-PTR-MS for online measurements of pyrethroids during indoor insecticide treatments.

Abstract : A high-sensitivity proton transfer reaction mass spectrometer (HS-PTR-MS) has been used to study the temporal evolution of pesticide concentrations in indoor environments. Because of the high time variability of the indoor air concentrations during household pesticide applications, the use of this online high time resolution instrument is found relevant. Four pyrethroid pesticides of the latest generation that are commonly found in electric vaporizer refills, namely, transfluthrin, empenthrin, tetramethrin, and prallethrin, were considered. A controlled pesticide generation system was settled and coupled to a HS-PTR-MS analyzer, and a calibration procedure based on the fragmentation patterns of the protonated molecules was performed. To illustrate the functionality of the method, measurements of the concentration-time profiles of transfluthrin contained in an electric vaporizer were carried out in a full-scale environmental room under air exchange rate-controlled conditions. This study demonstrates that the HS-PTR-MS technique can provide online and high time-resolved measurements of semi-volatile organic compounds such as pyrethroid insecticides.
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Contributor : Denis Roura Connect in order to contact the contributor
Submitted on : Friday, November 29, 2013 - 3:30:31 PM
Last modification on : Thursday, December 16, 2021 - 3:56:40 AM

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A. Vesin, Guy Bouchoux, E. Quivet, B. Temime-Roussel, Henri Wortham. Use of the HS-PTR-MS for online measurements of pyrethroids during indoor insecticide treatments.. Analytical and Bioanalytical Chemistry, Springer Verlag, 2012, 403 (7), pp.1907-1921. ⟨10.1007/s00216-012-6003-x⟩. ⟨hal-00904391⟩



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