[Determination of three tranquillizer residues in animal foods by QuEChERS-high performance liquid chromatography-tandem mass spectrometry]
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A method for simultaneous determination of chlorpromazine, diazepam and metolazone residues in porcine muscle, fish, liver and kidney was developed using QuEChERS and HPLC-MS/MS technique. The samples were extracted with ethyl acetate and cleaned up with C18, ... ...