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2010•Marine Environmental ScienceRequires access

Determination of methyl parathion,malathion and parathion in seawater by GC/MS with solid-phase extraction

Yang Jia-huan

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Abstract

A method was established for methyl parathion,malathion and parathion in seawater by GC/MS with solid-phase extraction.Methyl parathion,malathion and parathion were extracted from seawater with octadecylsilica(C18) SPE cartridge,eluted with the methylene chloride,detected by selected ion monitoring mode and phenanthrene-d10 as internal standard.The good linear responses were achieved and little inference.The detection limit was 0.20ng/L when the sample volume was 2L and average recoveries 96.0%～122%(n=6),RSD 2.3%～6.8% by the standards were put in seawater.

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What this paper is about

A method was established for methyl parathion,malathion and parathion in seawater by GC/MS with solid-phase extraction.Methyl parathion,malathion and parathion were extracted from seawater with octadecylsilica(C18) SPE cartridge,eluted with the methylene chloride,detected by selected ion monitoring mode and phenanthrene-d10 as internal standard.The good linear responses were achieved and little inference.The detection limit was 0.20ng/L when the sample volume was 2L and average recoveries 96.0%～122%(n=6),RSD 2.3%～6.8% by the standards were put in seawater.

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Available abstract

A method was established for methyl parathion,malathion and parathion in seawater by GC/MS with solid-phase extraction.Methyl parathion,malathion and parathion were extracted from seawater with octadecylsilica(C18) SPE cartridge,eluted with the methylene chloride,detected by selected ion monitoring mode and phenanthrene-d10 as internal standard.The good linear responses were achieved and little inference.The detection limit was 0.20ng/L when the sample volume was 2L and average recoveries 96.0%～122%(n=6),RSD 2.3%～6.8% by the standards were put in seawater.

Key concepts: Parathion, Chromatography, Solid phase extraction, Seawater, Malathion, Chemistry, Parathion methyl, Extraction (chemistry)

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Determination of methyl parathion,malathion and parathion in seawater by GC/MS with solid-phase extraction — Research Paper | ScholarLens