Determination of sulfonamides in bovine milk by ultra performance liquid chromatography combined with quadrupole mass spectrometry
文献类型: 外文期刊
第一作者: She, Yong-Xin
作者: She, Yong-Xin;Liu, Jiajia;Wang, Jing;Wang, Rongyan;She, Yong-Xin;Liu, Yong;Cao, Weiqiang
作者机构:
关键词: Bovine milk;Determination;Sulfonamides;UPLC-MS/MS
期刊名称:ANALYTICAL LETTERS ( 影响因子:2.329; 五年影响因子:1.738 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: A novel method has been developed for the rapid separation and determination of 24 Sulfonamides (SAs) in bovine milk by using ultra-performance liquid chromatography tandem quadrupole mass spectrometry (UPLC-MS/MS) in ten minutes. Sulfonamides residues from bovine milk were treated with acetonitrile, followed by homogenizing, ultrasound treating, and centrifuging. The aforementioned procedure is repeated one additional time. A part of the extracts was taken to dryness and defatted twice. The analysis was performed on an Acquity UPLC~(TM) BEH C_(18) column under the mobile phase which is composed of 0.2% acetic acid in water and acetonitrile. The analytes were detected by multiple reaction monitoring (MRM) in the positive ion scan mode. The calibration curves showed acceptable linearity in the concentration range from 0.2 to 100ngmL~1 with correlation coefficients (r~2) above 0.992. The mean recoveries of 24 SAs in different standard-spiked levels were in the range of 60.59-116.66%; RSD% was 2.92%~18.64%. Results showed analytical category, separation speed, selectivity, sensitivity, and repeatability of sulfonamides in milk using UPLC-MS/MS that were significantly improved compared to other analytical methods.
分类号: O65
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