Certification of the contents of five polychlorodibenzo-p-dioxins and six polychlorodibenzo furans in milk powder

Autor: L. G. M. T. Tuinstra, James R. Startin, E. A. Maier, G. N. Kramer

Publikováno v: Fresenius' Journal of Analytical Chemistry. 359:222-229

Preparation, homogeneity and stability studies of a natural milk powder material and subsequent certification of the mass fraction of five polychlorodi-benzo-p-dioxins (D48, D54, D66, D67, D70) and six polychlorodibenzo furans (F83, F94, F114, F118,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3fd4b486ba631aff84c3ca87cf4f33bc
https://doi.org/10.1007/s002160050564

Development of a multiresidue method for nitrogen-containing pesticides

Autor: L. G. M. T. Tuinstra, P. D. A. Olthof, W. Verwaal, F. Hernandez Hernandez, P. van Zoonen, A. de Kok, J. T. A. Jansen, G. F. Ernst, R. A. Baumann

Publikováno v: Fresenius' Journal of Analytical Chemistry. 339:357-364

A great number of commonly used pesticides contain nitrogen and many of these compounds are amendable to gas chromatography with nitrogen-specific detection. Nitrogen-containing pesticides have however poorly been investigated in comparison to the ha

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::10658f75d6b56384a9eba4571e26469b
https://doi.org/10.1007/bf00322348

Ion trap detection for development of a multi residue/multi matrix method for pesticide residues in agricultural products

Autor: P. Gaikhorst, P. Van De Spreng, L. G. M. T. Tuinstra

Publikováno v: International Journal of Environmental Analytical Chemistry 58 (1995)
International Journal of Environmental Analytical Chemistry, 58, 81-91

In the Netherlands for the determination of more than 400 pesticides thirteen multi residue methods and about 170 single residue methods are in use. A literature search learns that about 200 pesticides are gaschromatography (GC) amenable, that quanti

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1716d8538d3400c669ae95245d3dd753
https://research.wur.nl/en/publications/ion-trap-detection-for-development-of-a-multi-residuemulti-matrix

The development of five animal feed reference materials, certified for their aflatoxin B1 content

Autor: B. Schurer, A. Boenke, S. Patel, L. G. M. T. Tuinstra, G. M. Wood, E. A. Sizoo, W. E. Paulsch, H.P. van Egmond, Peter J. Wagstaffe

Publikováno v: Food additives and contaminants. 11(4)

The development of three peanut meal and two compound feed reference materials and the certification of their aflatoxin B1 content is described. The materials were prepared and certified within the Measurements and Testing Programme of the Commission

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::25029011998c0b5e47b33d54dad9cf42
https://pubmed.ncbi.nlm.nih.gov/7958115

Quantitative determination of specified chlorobiphenyls in fish with capillary gas chromatography and its use for monitoring and tolerance purposes

Autor: T. J. Van Munsteren, A. H. Roos, L. G. M. T. Tuinstra, H. J. Keukens, W. A. Traag, J.J.M. Driessen

Publikováno v: International journal of environmental analytical chemistry. 14(2)

A gel permeation (GPC) clean-up procedure of fish samples in combination with capillary gas chromatography is used for the determination of individual chlorobiphenyls. The described method is compared with a more universal method based on saponificat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a93cf9deb26abd039e027525300544ed
https://pubmed.ncbi.nlm.nih.gov/6409818