Chromatographia

, Volume 25, Issue 9, pp 817–821 | Cite as

Determination of 3-phenyl-4-hydroxy-6-chloropyridazine in groundwater using enrichment on porous organic polymers

  • W. Auer
  • H. MalissaJr.
Originals

Summary

A method is described for the determination of 3-phenyl-4-hydroxy-6-chloropyridazine in potable water. The method is based on isolation and enrichment by passing the water sample through a column of macroreticular polymeric adsorbent resin, concentration, derivatisation with pentafluorobenzoyl chloride and GC measurement with a N-specific detector. The individual experiments for establishing the working conditions, especially the adsorption characteristics of different types of resin, are described. The highest enrichment efficiency is obtained with the methacrylate-type resin XAD7. In field-sampling experiments a 10cm column yields 57% recovery at 100mLmin−1 flow rate, 0.3 ppb concentration level and 1 L sample volume. The method is completely documented; performance data are a detection limit of 0.07 μg L−1 and a mean recovery of 75% at the 0.3 ppb level.

Key Words

Gas chromatography Water analysis Macroreticular polymeric adsorbent resins Herbicides 

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Copyright information

© Friedr. Vieweg & Sohn Verlagsgesellschaft mbH 1988

Authors and Affiliations

  • W. Auer
    • 1
  • H. MalissaJr.
    • 1
  1. 1.Institute of Chemistry, Department of Analytical ChemistryJohannes Kepler University LinzLinzAustria

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