Determination of Sulfonamides in Feeds by High-Performance Liquid Chromatography after Fluorescamine Precolumn Derivatization

by Ewelina Patyra, Monika Przeniosło-Siwczyńska, Krzysztof Kwiatek
Published 2019-01-01

Contamination of Animal Feed with Undeclared Tetracyclines—Confirmatory Analysis by Liquid Chromatography–Mass Spectrometry after Microbiological Plate Test

by Monika Przeniosło-Siwczyńska, Ewelina Patyra, Aleksandra Grelik, Maja Chyłek-Purchała, Beata Kozak, Krzysztof Kwiatek
Published 2020-05-01