European union reference laboratory for feed additives: experience from 11 years organising proficiency testing.

Autor: von Holst, Christoph¹ (AUTHOR) JRC-EURL-FEEDADDITIVES-CONTROL@ec.europa.eu, Serano, Federica¹ (AUTHOR), Chedin, Mostafa¹ (AUTHOR), Vincent, Ursula¹ (AUTHOR)

Publikováno v: Italian Journal of Animal Science. Dec2024, Vol. 23 Issue 1, p769-779. 11p.

Development and validation of a multi-analyte method for the regulatory control of carotenoids used as feed additives in fish and poultry feed.

Autor: Vincent, Ursula¹ (AUTHOR) Ursula.vincent@ec.europa.eu, Serano, Federica¹ (AUTHOR), von Holst, Christoph¹ (AUTHOR)

Publikováno v: Food Additives & Contaminants. Part A: Chemistry, Analysis, Control, Exposure & Risk Assessment. Aug2017, Vol. 34 Issue 8, p1285-1297. 13p. 1 Color Photograph, 7 Charts, 3 Graphs.

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Interlaboratory comparison of an analytical method for the determination of semduramicin in poultry feed at the authorized level using high-performance liquid chromatography coupled to postcolumn derivatization and spectrophotometric detection.

Autor: González de la Huebra MJ; European Commission, Joint Research Centre, Institute for Reference Materials and Measurements (EC-JRC-IRMM), Retieseweg 111, B-2440 Geel, Belgium. maria-jose.gonzalez-de-la-huebra@ec.europa.eu, Vincent U, Serano F, von Holst C

Publikováno v: Journal of AOAC International [J AOAC Int] 2012 Jan-Feb; Vol. 95 (1), pp. 61-6.