Fresenius' Zeitschrift für analytische Chemie

, Volume 333, Issue 3, pp 218–220 | Cite as

Study of the conditions for the determination of metamitron by differential pulse polarography

  • J. F. Arranz Valentin
  • A. Goicolea Altuna
  • R. J. Barrio Diez-Caballero
  • A. Arranz Garcia
Original Papers Pesticides, Herbicides and Health Hazardous Substances


The electrochemical behaviour of the herbicide 4-amino-3-methyl-6-phenyl-1,2,4 triazine-5(4H)-on (Metamitron) is studied in aqueous medium using voltammetric techniques, with the ionic strength adjusted to 0.1 mol/l in sodium perchlorate and using a Britton-Robinson buffer. Two reduction waves on the mercury drop electrode appear, at −0.49 V the first and the second folded at −0.95 V and −1.05 V. The system is identified as irreversible and fundamentally controlled by diffusion. Using differential pulse polarography the detection limit reached was 0.02 mg · l−1 for the first wave with an error of less than 2%. Thus a method is proposed for the determination of Metamitron in soil, with a detection limit of up to 0.02 μg/g.


Mercury Drop Electrode Reduction Wave Sodium Perchlorate Ketonic Group Voltammetric Technique 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Untersuchung der Bedingungen zur Metamitronbestimmung durch Differential-Puls-Polarographie


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Copyright information

© Springer-Verlag 1989

Authors and Affiliations

  • J. F. Arranz Valentin
    • 1
  • A. Goicolea Altuna
    • 1
  • R. J. Barrio Diez-Caballero
    • 1
  • A. Arranz Garcia
    • 1
  1. 1.Department of Analytical ChemistryColegio Universitario de AlavaVitoriaSpain

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