Determination of residual triadimefon, triadimenol-a, triadimenol-b in corn by gel permeation chromatography and gas chromatography/mass spectrometry

Weiguo Zhang, Jinshan Gao, Shanshan Chen, Chongjiu Li

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

A method for simultaneous determination of triadimefon, triadimenol-a, triadimenol-b residues in corn is described. The pesticides were extracted using acetonitrile from sample. Most of lipids in co-extractives were removed by liquid-liquid extraction and gel permeation chromatography. Lutein was removed using solid-phase extraction on a Envi-carb column. The pesticides were finally determined by gas chromatography/mass spectrometry in selective-ion Monitor (SIM) simultaneously. The average recoveries (spiked level 0.05, 0.5 and 2 μg/g) were between 90% and 110%. The relative standard deviation of the method was less than 10% in every case.

Original languageEnglish
Pages (from-to)1442-1444
Number of pages3
JournalFenxi Huaxue
Volume33
Issue number10
StatePublished - 1 Oct 2005

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Gel permeation chromatography
Gas chromatography
Mass spectrometry
Pesticides
Lutein
Liquids
Ions
Lipids
Recovery
triadimefon

Keywords

  • Corn
  • Gas chromatography-mass spectrometry
  • Gel permeation chromatography
  • Triadimefon
  • Triadimenol-a
  • Triadimenol-b

Cite this

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abstract = "A method for simultaneous determination of triadimefon, triadimenol-a, triadimenol-b residues in corn is described. The pesticides were extracted using acetonitrile from sample. Most of lipids in co-extractives were removed by liquid-liquid extraction and gel permeation chromatography. Lutein was removed using solid-phase extraction on a Envi-carb column. The pesticides were finally determined by gas chromatography/mass spectrometry in selective-ion Monitor (SIM) simultaneously. The average recoveries (spiked level 0.05, 0.5 and 2 μg/g) were between 90{\%} and 110{\%}. The relative standard deviation of the method was less than 10{\%} in every case.",
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Determination of residual triadimefon, triadimenol-a, triadimenol-b in corn by gel permeation chromatography and gas chromatography/mass spectrometry. / Zhang, Weiguo; Gao, Jinshan; Chen, Shanshan; Li, Chongjiu.

In: Fenxi Huaxue, Vol. 33, No. 10, 01.10.2005, p. 1442-1444.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Determination of residual triadimefon, triadimenol-a, triadimenol-b in corn by gel permeation chromatography and gas chromatography/mass spectrometry

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AU - Li, Chongjiu

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AB - A method for simultaneous determination of triadimefon, triadimenol-a, triadimenol-b residues in corn is described. The pesticides were extracted using acetonitrile from sample. Most of lipids in co-extractives were removed by liquid-liquid extraction and gel permeation chromatography. Lutein was removed using solid-phase extraction on a Envi-carb column. The pesticides were finally determined by gas chromatography/mass spectrometry in selective-ion Monitor (SIM) simultaneously. The average recoveries (spiked level 0.05, 0.5 and 2 μg/g) were between 90% and 110%. The relative standard deviation of the method was less than 10% in every case.

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