Výsledky vyhledávání - "Hans A. Draayer"

Gas-Liquid Chromatographic Determination of Alachlor (2-Chloro-2′,6′-diethyh-N-(methoxymethyl)-acetanilide) Herbicide Residues in Corn and Soybeans

Autor: Daniel J. Call, Barbara Dohman Ammann, Hans A. Draayer

Publikováno v: Journal of AOAC INTERNATIONAL. 59:859-861

A method has been developed for the extraction and determination of alachlor (2-chloro-2′,6′-diethyl-N-(methoxymethyl)-acetanilide) residues in green corn and soybeans. Residues are extracted with acetonitrile and cleaned up on a Fiorisil column.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::26ab692bbe0ea8d4d2acf3e6b227e61c
https://doi.org/10.1093/jaoac/59.4.859

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Insecticides, polychlorinate biphenyls and metals in African lake ecosystems. II. Lake McIlwaine, Rhodesia

Autor: Algirdas Greichus, Hans A. Draayer, Yvonne A. Greichus, Brian Marshall

Publikováno v: Bulletin of environmental contamination and toxicology. 19(4)

In an effort to examine biological accumulation of pollutants in an African lake ecosystem samples of water, bottom sediment, oligochaetes, benthic insects, three species of fish, and a fish eating bird were analysed for several insecticides, PCB's,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1944d657ceda7a4bad939bf35206b65e
https://pubmed.ncbi.nlm.nih.gov/418832

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