UnivTrevesV1, Main, Exploration, bibRecordById, Pascal:93-0570648

Determination of the phenylurea herbicide linuron and its metabolites in environmental samples by HPLC with serial ultraviolet and amperometric detection

Identifieur interne : 002C36 ( Main/Exploration ); précédent : 002C35; suivant : 002C37

Determination of the phenylurea herbicide linuron and its metabolites in environmental samples by HPLC with serial ultraviolet and amperometric detection

Auteurs : Günter Henze [Allemagne] ; Axel Meyer [Allemagne] ; Josef Hausen [Allemagne]

Source :

Fresenius' Journal of Analytical Chemistry [ 0937-0633 ] ; 1993-06-01.

RBID : ISTEX:D6E998DDBBB2B1AE5B5E3922674A7378029DC560

Descripteurs français

Pascal (Inist)
- Ampérométrie, Analyse chimique, Analyse trace, Chlore Composé organique, Chromatographie HPLC, Chromatographie phase inverse, Eau, Enrichissement chimique, Etat adsorbé, Herbicide, Linuron, Métabolite, Sol, Spectrométrie UV visible, Ultratrace, Urées.
Wicri :
- topic : Eau, Herbicide.

English descriptors

KwdEn :
- Adsorbed state, Amperometry, Chemical analysis, Chemical enrichment, Chlorine Organic compounds, HPLC chromatography, Herbicide, Metabolite, Reversed phase chromatography, Soils, Trace analysis, Ultraviolet visible spectrometry, Ureas, Water.

Abstract

Summary: Procedures were developed for the determination of the herbicide linuron and its main metabolites using reversed-phase high performance liquid chromatography with serial ultravoilet-amperometric detection. For the application to water and soil analysis solid-phase extraction with cyclohexyl cartridges was found to be useful for the separation and enrichment of these compounds at trace level. By amperometric detection at +1.3 V down to approximately 0.5 ng of the tested metabolites could be determined. This is about 5-times more sensitive than the ultraviolet detection by the selected wavelength of 247 nm. Only for linuron the UV-detection proved to be more sensitive under the described conditions; the detection limit was found to be 5 ng.

Url:

https://api.istex.fr/document/D6E998DDBBB2B1AE5B5E3922674A7378029DC560/fulltext/pdf

DOI: 10.1007/BF00321287

Affiliations:

Allemagne

Le document en format XML

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Determination of the phenylurea herbicide linuron and its metabolites in environmental samples by HPLC with serial ultraviolet and amperometric detection

Determination of the phenylurea herbicide linuron and its metabolites in environmental samples by HPLC with serial ultraviolet and amperometric detection

Source :

Descripteurs français

English descriptors

Abstract

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Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

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