Rapid detection of pesticides not amenable to multi-residue methods by flow injection-tandem mass spectrometry

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Abstract

Flow injection combined with tandem mass spectrometry (MS/MS) was investigated for the rapid detection of highly polar pesticides that are not amenable to multi-residue methods because they do not partition into organic solvents and require dedicated chromatographic conditions. The pesticides included in this study were amitrole, chlormequat, cyromazine, daminozide, diquat, ethephon, fosetyl-Al, glufosinate, glyphosate and its metabolite aminomethylphosphonic acid, maleic hydrazide, mepiquat and paraquat. The composition of the flow-injection solvent was optimized to achieve maximum MS/MS sensitivity. Instrumental limits of detection varied between
Original languageEnglish
Pages (from-to)6817-6825
JournalAnalytical and Bioanalytical Chemistry
Volume406
Issue number27
DOIs
Publication statusPublished - 2014

Keywords

  • liquid-chromatography
  • aminomethylphosphonic acid
  • quantitative-analysis
  • sample preparation
  • maleic hydrazide
  • lc-ms/ms
  • glyphosate
  • cereals
  • vegetables
  • dilution

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