Influence of the soil organic matter content on voltammetric determination of derivatised glyphosate in herbicide contaminated soils

Aleš Daňhel, Josino C. Moreira, Silvana Jacob, Jiří Barek

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The method for monitoring of Glyphosate (GP) in soil samples containing different organic matter content based on differential pulse voltammetry at a hanging mercury drop electrode was developed to reach higher sample preparation efficiency, its repeatability and sufficient limits of detection. The soil samples with three different organic matter contents (evaluated as total organic carbon contents 30.7, 13.0 and 6.3 g kg-1) were tested. The decreasing content of organic matter resulted in a decreasing recoveries (86, 78 and 68%, respectively), with RSD around 10%. The GP derivatised to N-nitrosoglyphosate (NO-GP) can be determined using the adopted method with limits of detection around 2 ppm in the soil samples. This method might be further utilized for routine monitoring of the GP in soil samples during investigation of its effect on the soil biota.

Original languageEnglish
Pages (from-to)1263-1275
Number of pages13
JournalCollection of Czechoslovak Chemical Communications
Volume76
Issue number10
DOIs
Publication statusPublished - 6 Oct 2011
Externally publishedYes

Fingerprint

glyphosate
Herbicides
Biological materials
Soils
Monitoring
Voltammetry
Organic carbon
Mercury
Recovery
Electrodes

Keywords

  • Electrochemistry
  • Environmental chemistry
  • Glyphosate
  • Hanging mercury drop electrode
  • Mercury
  • N-Nitrosoglyphosate
  • Pesticide
  • Soil
  • Voltammetry

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

Influence of the soil organic matter content on voltammetric determination of derivatised glyphosate in herbicide contaminated soils. / Daňhel, Aleš; Moreira, Josino C.; Jacob, Silvana; Barek, Jiří.

In: Collection of Czechoslovak Chemical Communications, Vol. 76, No. 10, 06.10.2011, p. 1263-1275.

Research output: Contribution to journalArticle

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