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Electrochemical determination of the herbicide bentazone using a carbon nanotube β-cyclodextrin modified electrode

Electroanalysis, ISSN: 1521-4109, Vol: 25, Issue: 10, Page: 2360-2366
2013
  • 37
    Citations
  • 0
    Usage
  • 34
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    37
    • Citation Indexes
      37
  • Captures
    34

Article Description

An electrochemical sensor has been developed for the determination of the herbicide bentazone, based on a GC electrode modified by a combination of multiwalled carbon nanotubes (MWCNT) with β-cyclodextrin (β-CD) incorporated in a polyaniline film. The results indicate that the β-CD/MWCNT modified GC electrode exhibits efficient electrocatalytic oxidation of bentazone with high sensitivity and stability. A cyclic voltammetric method to determine bentazone in phosphate buffer solution at pH6.0, was developed, without any previous extraction, clean-up, or derivatization steps, in the range of 10-80μmolL, with a detection limit of 1.6μmolL in water. The results were compared with those obtained by an established HPLC technique. No statistically significant differences being found between both methods. © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

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