Gas chromatography;
SPME;
Pesticides;
Plants and soil;
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摘要:
Pesticides volatilised from plants and soil were determined by headspace SPME and gas chromatography with electron-capture and mass spectrometric detection. SPME analyses were carried out with polydimethylsiloxane (PDMS) and polyacrylate (PA) fibres. A mixture of endosulfan, chlorpyrifos, lindane and pendimethalin was used in these assays. Fortified soil and plant samples were maintained at 30°C, for 2 h and 1 h, respectively, before SPME sampling. Pesticides were extracted by SPME by inserting the sheathed fibre through the cap and exposing it to the headspace for 1 h.
机构:
Korea Inst Sci & Technol, Mol Recognit Res Ctr, Seoul 136791, South KoreaKorea Inst Sci & Technol, Mol Recognit Res Ctr, Seoul 136791, South Korea
Kim, Miok
Song, Na Rae
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机构:
Korea Inst Sci & Technol, Mol Recognit Res Ctr, Seoul 136791, South Korea
Univ Calif Los Angeles, Dept Chem & Biochem, Los Angeles, CA 90095 USAKorea Inst Sci & Technol, Mol Recognit Res Ctr, Seoul 136791, South Korea
Song, Na Rae
Hong, Jongki
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机构:
Kyung Hee Univ, Dept Pharmaceut Sci, Seoul 130701, South KoreaKorea Inst Sci & Technol, Mol Recognit Res Ctr, Seoul 136791, South Korea
Hong, Jongki
Lee, Jeongae
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Korea Inst Sci & Technol, Mol Recognit Res Ctr, Seoul 136791, South KoreaKorea Inst Sci & Technol, Mol Recognit Res Ctr, Seoul 136791, South Korea
Lee, Jeongae
Pyo, Heesoo
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Korea Inst Sci & Technol, Mol Recognit Res Ctr, Seoul 136791, South KoreaKorea Inst Sci & Technol, Mol Recognit Res Ctr, Seoul 136791, South Korea