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1.
Gas-chromatographic determination of pesticide residues after clean-up by gel-permeation chromatography and mini-silica gel-column chromatography6. Communication(*): Replacement of dichloromethane by ethyl acetate/cyclohexane in liquid-liquid partition and simplified conditions for extraction and liquid-liquid partitio.
Specht, W; Pelz, S; Gilsbach, W.
Anal Bioanal Chem ; 353(2): 183-90, 1995 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-15048537

RESUMEN

A new extraction and partition step was introduced into the well established multi-residue method of Specht and Tillkes (DFG method S 19) replacing dichloromethane by ethyl acetate/cyclohexane (1+1). In addition, more simple working conditions were obtained. Results of fortification experiments with organochlorine, organophosphorus and organonitrogen pesticides showed good agreement with those obtained by the formerly published method.

2.
[The appearance of pesticides in groundwater in Bavaria]. / Auftreten von Pflanzenschutzmitteln im Grundwasser in Bayern.
Amann, W; Schuster, M; Gilsbach, W; Kees, H; Rappl, A.
Schriftenr Ver Wasser Boden Lufthyg ; 79: 159-81; discussion 227-38, 1989.
Artículo en Alemán | MEDLINE | ID: mdl-2756368

Asunto(s)
Residuos de Plaguicidas/análisis , Contaminación Química del Agua/análisis , Agua Dulce/análisis , Alemania Occidental , Abastecimiento de Agua
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