Gas chromatographic method for studying the rate of photodegradation of some nitrogen-containing pesticides

K. Lányi, Z. Dinya

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

The photodegradation behaviour of 12 nitrogen-containing herbicides (atrazine, cyanazine, terbuthylazine, terbutryn, EPTC, buthylate, molinate, cycloote, vernolate, fenuron, chloroxuron, and methabenzthiazuron) has been examined. The compounds were degraded completely when exposed to a mercury-vapour lamp; the degradation process was followed by consecutive GC measurements. All the compounds studied had measurable photochemical activity, although actual and average degradation rates varied significantly. All the compounds except terbutryn fumished more than one major degradation product, in different ratios.

Original languageEnglish
Pages (from-to)S149-S153
JournalChromatographia
Volume56
Issue numberSUPPL.
DOIs
Publication statusPublished - 2002

Keywords

  • Degradation rate
  • Environmental analysis
  • Gas chromatography
  • Pesticides
  • Photodegradation

ASJC Scopus subject areas

  • Analytical Chemistry
  • Biochemistry
  • Clinical Biochemistry
  • Organic Chemistry

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