期刊
JOURNAL OF SEPARATION SCIENCE
卷 35, 期 1, 页码 45-52出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/jssc.201100600
关键词
Fluorescence detection; High-performance liquid chromatography; Liver; Matrix solid-phase dispersion
The matrix solid-phase dispersion (MSPD) was applied for extracting seven sulfonamides (SAs) in liver samples. The separation and determination were carried out by high-performance liquid chromatography. The analytes were derivated with fluorescamine and detected with fluorescence detector. The types of dispersion adsorbents for MSPD were examined and the highest recovery was obtained when the diatomaceous earth was used as the dispersion adsorbent and the mass ratio of dispersion adsorbent to sample was 3:1. The acetone was used as the elution solvent. Under the optimal conditions, the linear range for determining the SAs in liver samples was 5.0-1000.0 ng/g. The porcine, chicken and cattle liver samples were analyzed and the average recoveries of seven SAs were higher than 84.6%.
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