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Accelerated solvent extraction (ASE) and solid‐phase extraction (SPE) conditions were optimized by a high‐performance liquid chromatography‐fluorescence detector (HPLC‐FLD) method for the detection of piperazine in chicken tissues and pork. Piperazine residues were determined by precolumn derivatization with trimethylamine and dansyl chloride. Samples were extracted with 2% formic acid in acetonitrile...
Accelerated solvent extraction was investigated as a novel alternative technology for the separation and quantitative analysis of chloramphenicol, thiamphenicol, florfenicol, and florfenicol amine from poultry eggs, and the results were compared with the results of liquid–liquid extraction. Rapid quantification of the target compounds was carried out by ultra‐performance liquid chromatography‐electrospray...
An accelerated solvent extraction coupled with gas chromatography‐tandem mass spectrometry (ASE‐GC‐MS/MS) method for detecting dinitolmide residue and its metabolite (3‐amino‐2‐methyl‐5‐nitrobenzamide, 3‐ANOT) in eggs was developed and optimized. The samples were extracted using ASE with acetonitrile as the extractant and were purified by passage through a neutral alumina solid‐phase extraction column...
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