期刊
JOURNAL OF CHROMATOGRAPHY A
卷 1194, 期 1, 页码 66-79出版社
ELSEVIER
DOI: 10.1016/j.chroma.2008.03.089
关键词
veterinary drugs; multiresidue; TOF; UPLC; extraction
A quantitative multiresidue method covering more than 100 veterinary drugs, belonging to different drug families, has been developed. The proposed approach uses an liquid-liquid-solid extraction technique (bipolarity extraction) which is capable in recovering polar, medium polar and apolar compounds. A thorough generic reversed phase solid-phase extraction (SPE) clean-up removes interfering proteins and provides clean and stable extracts. Dedicated rinsing steps are proposed to reduce analyte adsorption on glass walls and on precipitating proteins. The resulting extract is analyzed by ultra-performance liquid chromatography (UPLC) coupled to time of flight mass spectrometry (TOF). The method was validated according to the Commission Decision 2002/657/EEC. Validation coved the relevant meat matrices (muscle, kidney and liver). (C) 2008 Elsevier B.V. All rights reserved.
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