Moscow University Chemistry Bulletin

, Volume 72, Issue 6, pp 315–321 | Cite as

Direct Analysis of Natural Waters by Electron Spray Ionization and High-Resolution Time-of-Flight Mass Spectrometry Detection. Determination of Pesticides of Various Classes

  • V. G. Amelin
  • M. A. Saun’kina
  • A. M. Andoralov
Article
  • 4 Downloads

Abstract

The possibility of directly determining 36 pesticides (derivatives of urea, triazines, triazoles, imidazoles, carbamates, triazinones, benzamides, and pyridazinones and organophosphorus pesticides) by electrospray ionization with high-resolution quadrupole time-of-flight mass spectrometry in natural waters is demonstrated. A significant matrix effect is observed in the determination of pesticides in natural waters, and the use of the standard addition method is proposed for their determination in test samples, both undiluted and diluted with deionized water. The analytical range of the analytes was 0.5–50 ng/mL. The relative standard deviation of the results does not exceed 10%; the time required for the analysis is 10–15 min.

Keywords

direct electrospray ionization high-resolution quadrupole time-of-flight mass spectrometry natural water analysis pesticides 

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Copyright information

© Allerton Press, Inc. 2017

Authors and Affiliations

  • V. G. Amelin
    • 1
  • M. A. Saun’kina
    • 1
  • A. M. Andoralov
    • 1
  1. 1.Vladimir State UniversityVladimirRussia

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