AI Article Synopsis
- The study used matrix solid-phase dispersion (MSPD) to extract seven sulfonamides from liver samples, improving the efficiency of the process.
- High-performance liquid chromatography was used for separation, with fluorescamine for derivation, allowing for fluorescence detection.
- The best results were achieved with diatomaceous earth as the adsorbent at a 3:1 ratio to sample, leading to recovery rates above 84.6% in porcine, chicken, and cattle liver samples.
Article Abstract
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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| http://dx.doi.org/10.1002/jssc.201100600 | DOI Listing |
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